Mix together pecans, sugar and cinnamon in a small bowl; sprinkle 1 Tablespoon into each mini Bundt crevice.
Mix together cake mix, pudding mix, eggs, sour cream, orange juice and vanilla in a mixing bowl; add green food coloring until it reaches your desired color of green (we used 12 drops).
Fill each Bundt crevice with 2 -3 heaping Tablespoons of cake batter.
Bake for 25 to 30 minutes or until toothpick comes out clean.
Let cool for 5 minutes; invert to release cakes.
For glaze: Mix together confectioners sugar, vanilla and milk until desired consistency. Drizzle over cakes. Fill Bundt center with 1-2 Maraschino cherries if desired.