1/2 c. butterscotch pieces
1/4 c. butter
3/4 c. flour
1/3 c. firmly packed brown sugar
1 tsp. baking powder
1/4 tsp. salt
1/2 tsp. vanilla
1 egg
1 c. miniature marshmallows
1 c. (6 oz. pkg.) semi-sweet chocolate pieces
1/4 c. chopped nuts

Grease bottom and sides of 9-inch square baking pan. Melt, stirring constantly, the butterscotch pieces and butter. Remove from heat; cool to lukewarm. Add to butterscotch mixture in saucepan the flour, brown sugar, baking powder, salt, vanilla and egg. Mix well. Fold in just until combined, about 5 strokes, the marshmallows, chocolate chips and nuts. Spread in prepared pan. Bake at 350 degrees for 20-25 minutes. DO NOT OVER BAKE. Center will be jiggly but becomes firm upon cooling.