1¼ cups flour
1 tsp baking powder
¼ tsp salt
¾ cup sugar
¾ cup brown sugar
½ cup cocoa powder
½ cup chocolate chips
½ cup peanut butter chips

Preheat the oven to 350 degrees.  Grease a 9-inch baking dish and set aside.  Combine mix, ½ cup melted butter, 3 eggs and 2 teaspoons vanilla extract and mix well.  Bake for 20-25 minutes.