Wow — these decadent bars taste like a S'Mores to the tenth power. Cut them in small squares because they're rich.
INGREDIENTS | YIELDS 48 BAR COOKIES
- ¾ cup butter, softened
- 1 ¼ cups brown sugar
- 1 egg
- 1 tablespoon vanilla
- 1 cup flour
- 1 ¼ cups graham cracker crumbs
- 1 teaspoon baking powder
- ¼ teaspoon salt
- 3 cups miniature marshmallows
- 1 cup milk chocolate chips
- ¼ cup butter
- ⅓ cup milk
- 1 cup semisweet chocolate chips
- 1 (3-ounce) package cream cheese
- 3 cups powdered sugar
- 1 teaspoon vanilla
Preheat oven to 350°F. Spray a 9″ × 13″ pan with nonstick baking spray containing flour and set aside.
In large bowl, combine ¾ cup butter with 1 ¼ cups brown sugar; beat until fluffy. Add egg and vanilla and mix well. Stir in flour, graham cracker crumbs, baking powder, and salt. Spoon and spread into prepared pan.
Bake for 25–35 minutes until cookie is just set and light golden brown. Immediately sprinkle with marshmallows and milk chocolate chips. Return to oven; bake for 2–4 minutes longer until marshmallows puff.
While bars are in oven for the first time, in large saucepan combine ¼ cup butter, milk, semisweet chocolate chips, and cream cheese. Cook over low heat, stirring frequently, until chocolate is melted and mixture is smooth. Remove from heat and stir in powdered sugar and 1 teaspoon vanilla.
When bars come out of oven with puffed marshmallows on top, pour frosting evenly over the marshmallows. Marble with a knife, then let stand until cool.