Apricot Clafouti

Name: Apricot Clafouti
Ingredients: Unsalted butter, for greasing the pie plate; 2 large eggs, separated; 1/3 cup plus 2 tablespoons sugar; 3 tablespoons all-purpose flour; 1/2 cup heavy cream; 1 teaspoon vanilla extract; 1/4 teaspoon kosher salt; Two 15.25-ounce cans apricots, drained and gently rinsed; 1 teaspoon grated lemon zest; Lemon-Vanilla Whipped Cream, for topping, optional; 1 1/2 cups heavy cream, chilled; 2 tablespoons sugar; 1 1/2 teaspoons vanilla extract; 1/2 teaspoon grated lemon zest