Ingredients

The following ingredients have 12 Servings
  • 1/2 cup butter, room temperature
  • 1 cup granulated sugar
  • 1 teaspoon vanilla
  • 1 whole egg + 2 eggs, separated
  • 1 1/2 cups flour
  • 1 tsp baking powder
  • 1/2 tsp salt
  • 1 cup mini marshmallows
  • 1 cup semi-sweet chocolate chips
  • 1 cup light brown sugar, packed

Instruction

  • Preheat 350°
  • Spray a 9×13 baking pan lightly with cooking spray
  • In a large bowl cream together butter, granulated sugar, 1 whole egg plus 2 yolks and vanilla until smooth.
  • Add in flour, baking powder and salt and mix until just combined. Spread in prepared pan.
  • Top with chocolate chips and mini marshmallows.
  • In a clean mixing bowl with whisk attachment on your mixer, beat the 2 remaining egg whites until stiff peaks form, about 2 minutes on high.
  • Fold in light brown sugar and stir until combined and there are no lumps.
  • Spread on top of chocolate chips and marshmallows.
  • Bake 30-35 minutes until top is golden brown.
  • Allow to cool completely before cutting into squares