Bake for 16-20 minutes or until muffins test done (toothpick comes out clean).
If you are making mini muffins, bake for 12-15 minutes or until muffins test done.
*Before folding in the chocolate chips, you can separate the batter into 2 equal amounts. Add 1 cup of mini chocolate chips to one bowl. Add 1 cup of regular semi-sweet chocolate chips (or dark chocolate chips) in the other bowl.**You can use a regular size muffin pan. This recipe will make about 3 dozen regular size muffins. Or you can use a mini muffin pan. This recipe will make 2 to 2 1/2 dozen mini muffins.