1/2 c. butter
1 c. flour
1/4 c. sugar

FILLING:

1 c. (13 sq.) graham cracker crumbs
1/2 c. chocolate chips
1/2 c. chopped nuts
1 tsp. baking powder
1/4 tsp. salt
14 oz. can sweetened condensed milk

FROSTING:

1 1/2 c. powdered sugar
1/2 c. butter, softened
1 tsp. vanilla

Preheat oven to 350 degrees. Combine flour, butter and sugar until crumbly. Press in bottom of ungreased 1 x 9 inch pan. Bake at 350 degrees for 10 minutes. Cool 10 minutes. In bowl combine all filling ingredients; mix well. Spread over partially cooled baked crust. Return to oven and bake 15 to 20 minutes until golden brown (until toothpick comes out clean). Cool completely. Blend frosting ingredients until creamy; spread over bars. These are called jeans bars because they are guaranteed to make your jeans fit tight.