1950s Hepburn Brownies Recipe – An Old Fashioned Brownies Recipe with Walnuts

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1950s Hepburn Brownies recipe is an old fashioned brownies recipe with walnuts. This gooey brownie recipe is reminiscent of grandma’s brownie recipe of the past. The original recipe belonged to the famous Katharine Hepburn.

Two 1960s Hepburn Brownies stacked atop of each other.

If you are on the look out for an old fashioned brownie recipe with walnuts, then look no farther. This brownie recipe from the 1950s produces gloriously fudgy brownies with the perfect amount of nuts.

There’s no comparing this old fashioned brownie recipe with nuts to boxed brownies. I’ll take these every single time, and there’s really not much to baking them. I promise.

Homemade Brownies with Baker’s Chocolate

Ingredients

The chocolate flavor in Katharine Hepburn’s brownie recipe comes from unsweetened baking chocolate instead of cocoa powder.

  • Unsweetened Baking Chocolate – Baker’s chocolate is found in the baking aisle at the grocery store in rectangular boxes. There are different varieties of baking chocolate, including unsweetened, semi-sweet, German, etc. Be sure to use the unsweetened version in this recipe. You won’t use a whole box of baker’s chocolate, just 4 ounces (break off 4 squares or 8 rectangles).
  • Flour, sifted
  • Walnuts, chopped
  • Butter, softened
  • Sugar
  • Eggs
  • Vanilla Extract
Three old fashioned brownies with walnuts stacked atop each other on a plate.

Here’s a fun trick to play on your kids.

Go ahead and give your kids a little piece of the unsweetened chocolate to try, just for fun. Pretend it’s super delicious, and that you are being the nicest mom in the world for letting them try it. Give them a big piece too, if you’re extra wicked like I am.

It always makes for a good laugh. The look of their face when it hits their tongue and it’s unsweetened is priceless. My Mom played this trick on me too when I was young. She too is extra wicked.

Pan of brownies lined with parchment paper

How to Make Brownies with Walnuts from scratch

For the full ingredient amounts and recipe steps for 1950s brownies with walnuts made from scratch, scroll to the recipe card at the bottom of this post. 

Instructions

  1. Preheat oven to 350 degrees F. Grease a 13 x 9 inch baking dish well, or line it with parchment paper for easier removal of cooked brownies.
  2. Melt unsweetened baking chocolate according to package instructions. I prefer to melt it over a double broiler or in a glass bowl sitting over gently boiling water. Set melted chocolate aside to cool.
  3. Sift flour and chop walnuts; mix the two together and set aside.
  4. Cream softened butter and sugar.
  5. Add eggs and vanilla, and beat until combined.
  6. Stir in flour mixture to butter mixture by hand.
  7. Add melted chocolate, and stir until evenly combined.
  8. Pour brownie batter into prepared baking dish.
  9. Bake for 30 minutes or until a toothpick stuck in center is just barely dry.
pan of 1950s Hepburn brownies cut in squares

Notes About Old Fashioned Brownies Recipe with Walnuts:

  • This 1950s brownie recipe belonged to the famous Katharine Hepburn.
  • Be sure to start with softened butter.
  • Use unsweetened baking chocolate.
  • Let the chocolate cool a bit so it doesn’t curdle the eggs in the batter.
  • Pecans could be substituted for walnuts or omit walnuts completely.
  • Don’t overcook these brownies; stick a toothpick in the center, and if it’s barely dry, then they’re done. You want them a bit gooey.
  • If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely.
  • To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan. Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan.
close up of a old-fashioned brownie on a spatula

Background on 1950s Hepburn Brownies Recipe

This recipe for old fashioned brownies actually belonged to Katharine Hepburn. I acquired the recipe through my delightful neighbor Jerri. She’s a peach. Jerri actually left us a box of these Hepburn brownies hanging from the back door in a bag as a thank you to my husband for clearing snow from her drive.

We opened the box and instantly devoured the box. The brownies were the perfect amount of gooey which is the way I like them. There’s nothing worse than a dry brownie.

Jerri even put a little note in with the brownies about how Katharine always loves scraping the brownies from the pan. I will have to agree with Katharine and Jerri on this testament.

What makes these a 1950s brownie recipe?

A 1950s brownie is a thinner brownie in size with a dense, moist texture.  Plus, to make it truly a 1950s brownie recipe, you have to add the chopped walnuts. It gives just a little texture to counteract the gooeyness.

Shot of a brownie from above

1950s Desserts

Vintage desserts are some of our favorite to make for family gatherings and holidays. We also like this Old-fashioned Strawberry Tapioca Salad too. Our grandmas and their generation had a unique vision when it came to desserts!

Lazy Daisy Salad 

Lazy Daisy Salad is a classic 1950s Ambrosia fruit salad recipe with vanilla pudding, mandarin oranges and cool whip.

Pumpkin Chiffon Pie

Grandma's Pumpkin Chiffon Pie is a simple, creamy no-bake alternative to the traditional pumpkin pie. This silky, smooth pumpkin chiffon pie was a staple on our family's Thanksgiving dinner table throughout our childhood.

Watergate Salad

Watergate Salad (also known as Pistachio Fluff) is a delightful, vintage salad packed with Pistachio flavor.  With only 5 simple ingredients, this fluffy treat will quickly become a most-requested recipe. 

Grandma’s Three Layer Chocolate Squares 

Grandma's Three Layer Chocolate Squares are a family favorite treat that are served every Christmas at my house.  The triple layer cookie bar consists of a chocolate graham cracker crust, a vanilla cream center and a sweet Hershey's chocolate topping.  The combination is a match made in chocolate heaven. 

Strawberry Chiffon Dessert

Strawberry Chiffon Squares with condensed milk, Jello and whipping cream is the perfect summer dessert. This no bake strawberry chiffon dessert makes one large pan or two strawberry chiffon pies.

Grandma’s Sour Cream Coffee Cake 

Grandma's Sour Cream Coffee Cake is an old fashioned pound cake recipe made in a Bundt pan. This classic coffee cake is moist.

1950s Hepburn Brownies Recipe – An Old Fashioned Brownies Recipe with Walnuts

1950s Hepburn Brownies Recipe is an old fashioned brownies recipe with walnuts.  This gooey brownie recipe is reminiscent of grandma's brownie recipe of the past.  The original recipe belonged to the famous Katharine Hepburn.
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Course: Dessert
Cuisine: American
Keyword: 1950s brownies recipe, hepburn brownies, katharine hepburn brownie recipe, old fashioned brownies recipe with walnuts
Servings: 32 brownies
Calories: 163kcal
Author: Barbara

Ingredients

  • 4 ounces unsweetened baking chocolate
  • 1 cup flour
  • 1 cup chopped walnuts
  • 1 cup butter
  • 2 cups sugar
  • 4 eggs
  • 2 teaspoons vanilla extract

Instructions

  • Preheat oven to 350 degrees F. Generously grease a 9 x 13 inch baking pan or line it with parchment paper (preferred method).
  • Melt unsweetened chocolate according to package instructions. (Preferred Method: place a glass bowl over saucepan filled with simmering water. Place chocolate in glass bowl, stirring often until melted.) Set melted chocolate aside to cool.
    This 1950s brownie recipe belonged to the famous Katharine Hepburn.  Be sure to start with softened butter. Use unsweetened baking chocolate.   Let the chocolate cool a bit so it doesn't curdle the eggs in the batter.  Pecans could be substituted for walnuts or omit walnuts completely. Don't overcook these brownies; stick a toothpick in the center, and if it's barely dry, then they're done.   You want them a bit gooey.   If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely. To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan.  Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 
  • Sift flour; mix flour with chopped nuts. Set aside.
    This 1950s brownie recipe belonged to the famous Katharine Hepburn.  Be sure to start with softened butter. Use unsweetened baking chocolate.   Let the chocolate cool a bit so it doesn't curdle the eggs in the batter.  Pecans could be substituted for walnuts or omit walnuts completely. Don't overcook these brownies; stick a toothpick in the center, and if it's barely dry, then they're done.   You want them a bit gooey.   If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely. To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan.  Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 
  • Cream softened butter and sugar.
  • Add eggs and vanilla, and beat until combined.
    This 1950s brownie recipe belonged to the famous Katharine Hepburn.  Be sure to start with softened butter. Use unsweetened baking chocolate.   Let the chocolate cool a bit so it doesn't curdle the eggs in the batter.  Pecans could be substituted for walnuts or omit walnuts completely. Don't overcook these brownies; stick a toothpick in the center, and if it's barely dry, then they're done.   You want them a bit gooey.   If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely. To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan.  Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 
  • Stir in flour and nut mixture into butter mixture.
    This 1950s brownie recipe belonged to the famous Katharine Hepburn.  Be sure to start with softened butter. Use unsweetened baking chocolate.   Let the chocolate cool a bit so it doesn't curdle the eggs in the batter.  Pecans could be substituted for walnuts or omit walnuts completely. Don't overcook these brownies; stick a toothpick in the center, and if it's barely dry, then they're done.   You want them a bit gooey.   If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely. To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan.  Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 
  • Add melted chocolate and stir until evenly combined. Pour into prepared baking dish.
    This 1950s brownie recipe belonged to the famous Katharine Hepburn.  Be sure to start with softened butter. Use unsweetened baking chocolate.   Let the chocolate cool a bit so it doesn't curdle the eggs in the batter.  Pecans could be substituted for walnuts or omit walnuts completely. Don't overcook these brownies; stick a toothpick in the center, and if it's barely dry, then they're done.   You want them a bit gooey.   If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely. To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan.  Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 
  • Bake for 30 minutes or until center is barely dry.
    This 1950s brownie recipe belonged to the famous Katharine Hepburn.  Be sure to start with softened butter. Use unsweetened baking chocolate.   Let the chocolate cool a bit so it doesn't curdle the eggs in the batter.  Pecans could be substituted for walnuts or omit walnuts completely. Don't overcook these brownies; stick a toothpick in the center, and if it's barely dry, then they're done.   You want them a bit gooey.   If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely. To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan.  Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 
  • Let cool, and scrape out of pan with spatula.
    This 1950s brownie recipe belonged to the famous Katharine Hepburn.  Be sure to start with softened butter. Use unsweetened baking chocolate.   Let the chocolate cool a bit so it doesn't curdle the eggs in the batter.  Pecans could be substituted for walnuts or omit walnuts completely. Don't overcook these brownies; stick a toothpick in the center, and if it's barely dry, then they're done.   You want them a bit gooey.   If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely. To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan.  Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 

Notes

  • This 1950s brownie recipe belonged to the famous Katharine Hepburn. 
  • Be sure to start with softened butter.
  • Use unsweetened baking chocolate.  
  • Let the chocolate cool a bit so it doesn’t curdle the eggs in the batter. 
  • Pecans could be substituted for walnuts or omit walnuts completely.
  • Don’t overcook these brownies; stick a toothpick in the center, and if it’s barely dry, then they’re done. You want them a bit gooey.  
  • If you want to share these brownies with others, I recommend lining the pan with a piece of parchment paper so that they come out of the pan nicely.
  • To line a 9 x 13 inch pan with parchment paper, cut a piece just a couple inches larger on all side than the pan. Then take your scissors, and cut a 1 1/2 to 2 inch cut diagonally in all four corners.  That way, the parchment goes into the corners easily when you put the piece of parchment in the pan. 
  • Love brownies? Try Grandma’s Brownie Recipe
  • The nutritional information is auto-calculated and can vary depending on the products used.

Nutrition

Calories: 163kcal | Carbohydrates: 17g | Protein: 2g | Fat: 11g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 3g | Trans Fat: 0.2g | Cholesterol: 36mg | Sodium: 55mg | Potassium: 60mg | Fiber: 1g | Sugar: 13g | Vitamin A: 208IU | Vitamin C: 0.05mg | Calcium: 13mg | Iron: 1mg
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Top image is have a brownie on a spatula. Bottom images are 1950s Hepburn brownies stacked on plate (left) and top of a brownie.

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