Mud Hen Bars
Mud hen bars are tender and slightly chewy layered bars with a brown sugar cookie base, a chocolate and marshmallow layer, baked under a light meringue topping.
Ingredients
- cooking spray
- 1 1/4 cups all-purpose flour
- 1 teaspoon baking powder
- 1/2 teaspoon kosher salt
- 1/2 cup unsalted butter, softened
- 1/2 cup packed dark brown sugar
- 2/3 cup white sugar, divided
- 1 large egg
- 2 large egg whites
- 1 1/2 teaspoons vanilla extract
- 1/2 cup semisweet chocolate chips
- 2/3 cup mini marshmallows