White Cake
| Preheat oven to 350°F | |||||
| Grease and flour a 9x13-in pan | |||||
| Bring the butter, egg whites and milk to room temperature | |||||
| 1/2 cup unsalted butter, softened | cream until fluffy, 4 to 5 min | beat in, whites one at a time | add alternately with the milk, mix until just combined | bake 350°F 30 to 35 min, until a toothpick in the center comes out clean | cool in pan on a rack 10 min, then turn out and cool completely on the rack, about 1 1/2 to 2 hr, before frosting or cutting |
| 1 1/2 cups sugar | |||||
| 4 large egg whites | |||||
| 2 tsp vanilla extract | |||||
| 2 1/4 cups cake flour | whisk | ||||
| 1 Tbsp baking powder | |||||
| 1/2 tsp salt | |||||
| 1 cup milk | |||||
