Just in case you have a lot of leftover Halloween candy, here is a versatile cookie recipe which you can use.
2 c. flour
1/2 c. cocoa powder
1 t baking soda
1/2 t salt
1 package instant pudding (chocolate or vanilla)
1 c. butter
3/4 c. packed brown sugar
1/4 c. sugar
1 t vanilla
5 large candy bars, or 12 small, chopped into pieces such as Milky Way or Snickers
Sift together flour, cocoa, baking soda, and salt and set aside. Mix together butter and sugars until smooth, light, and fluffy. Add eggs, one at a time. Add pudding and vanilla and combine well. Slowly add flour mixture until blended. Stir in chopped candy pieces. Bake at 350F for 10 minutes.