Crust:

1 ½ cups graham cracker crumbs
2 tablespoons sugar
1/3 cup unsalted butter, softened

Batter:

4 egg whites
¾ cup unsalted butter, softened
1 cup, plus 2 tablespoons sugar
1 teaspoon vanilla extract
1 ½ cups flour
1 teaspoon baking powder
½ teaspoon salt
¾ cup sour cream
2 cups coarsely chopped fresh strawberries

Frosting:

2 packages (8 ounces each) cream cheese, softened
1 cup unsalted butter, softened
4-5 cups confectioners’ sugar
1 teaspoon vanilla extract
1-3 tablespoons milk
1-2 dozen strawberries, as toppers