S'mores Sandwhich Bar Cookies

1/2 cup (1 stick) butter or margarine, softened
3/4 cup sugar
1 egg
1 teaspoon vanilla extract
1 1/3 vups all-purpose flour
3/4 cup ghram cracker crumbs
1 teaspoon powder
1/4 teaspoon salt
1 1/3 cups (8-ounce package) hershey's minin milk choclatae cars or 5 Hershey's milk chocolate bars (1.55 ounce each)
3 cups miniture marshmellows

1. heat oven to 350. grease 8-inch square baking pan
2. beat butter and sugar in large bowl until well blended. 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 minitues.
3. Sprinkle mini chocolate bars over baked layer or arrange unwrapped choclate bars over baked layer, breaking as needed to fit. Sprinkle wiht marsmallows; scatter bits of remaining doubh over marshmallows, forming top layer. Bake 10 to 15 minites or just until lightly browned. Cool completely in pan on wire rack. Cut into bars.

Yum!