Bake or No Bake Alaska

Name: Bake or No-Bake Alaska
Ingredients: 6 tablespoons unsalted butter; 1 cup sour cream; 2/3 cup granulated sugar; 1 teaspoon vanilla extract; 1/2 teaspoon kosher salt; 1 large egg; 1 1/2 cups all-purpose flour; 3/4 teaspoon baking powder; 3/4 teaspoon baking soda; 1 cup semisweet chocolate chips; 2 pints strawberry ice cream; 1 cup strawberries, hulled and quartered; 2 tablespoons granulated sugar; 4 large egg whites, at room temperature; 1/4 teaspoon cream of tartar; 1 cup granulated sugar