For the cupcakes:
1 stick (8 tablespoons) unsalted butter
1 cup sugar
4 egg whites
1/2 teaspoon vanilla extract
1/2 teaspoon almond extract
1 1/4 cups all purpose flour, divided
1 teaspoon baking powder
1/4 teaspoon salt
1/4 cup whole milk
1/3 cup fresh blueberries, (plus extra for garnish, if desired)
1/4 cup fresh raspberries, (plus extra for garnish, if desired)
For the cream cheese frosting:
1 stick (8 tablespoons) unsalted butter
8 ounces cream cheese
1/2 teaspoon vanilla extract
3 1/2 - 4 cups powdered sugar