Ingredients

  • 3 14 cups sifted cake flour (not self-rising)
  • 1 12 tablespoons baking powder
  • 14 teaspoon salt
  • 7 ounces unsalted butter, softened
  • 1 34 cups sugar
  • 1 cup milk
  • 2 tablespoons milk
  • 1 tablespoon pure vanilla extract
  • 5 large egg whites, room temperature
  • 2 cups semi-sweet chocolate chips

Method

  • Preheat oven to 350 degrees.
  • Line standard muffin tins with paper liners.
  • Whisk dry ingredients in a large bowl.
  • Cream butter and sugar with a mixer until light and fluffy.
  • Reduce speed to low.
  • Mix any remaining wet ingredients in a bowl if needed.
  • Add dry ingredients to butter mixture in 3 additions, alternating with wet ingredients and ending with dry.
  • Scrape sides of bowl.
  • Beat egg whites to stiff peaks, and fold into batter.
  • Fold in chocolate chips.
  • Divide batter among muffin cups, filling each 2/3 full.
  • Bake cupcakes until testers inserted into centers come out clean, about 22 minutes.
  • Let cool in tins on wire racks.
  • Cupcakes will keep, covered, for up to 3 days, unless otherwise noted.