S’Mores Sandwich Bar Cookies

S'Mores Sandwich Bar Cookies

1 stick of butter or margarine, softened
3/4 c sugar
1 egg
1 tsp vanilla
1 1/3 c flour
3/4 c graham cracker crumbs
1 tsp baking powder
1/4 tsp salt
5 Hershey's chocolate bars (1.55 oz ea)
3 c mini marshmallows

Heat oven to 350. Grease a 8 in baking pan.

Beat butter and sugar until well blended in a large bowl. Add egg and vanilla; beat well. Stir together flour, graham cracker crumbs, baking powder and salt; add to butter mixture beating until blended.
Press half of dough into prepared pan. Bake 15 minutes.

Unwrap chocolate bars; arrange over baked layer, breaking if needed to fit. Sprinkle with marshmallows; scatter bits of remaining dough over marshmallows, forming top layer. Bake 10 to 15 minutes or just until lightly brown. Cool completely on wire rack.

Cuts into 16 bars