Ingredients
- 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
Instructions
- 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
This article and recipe adapted from this site