Lemon Cream Custard Cake
Ingredients: 1/2 cup (1 stick) unsalted butter, melted 1 cup granulated sugar 4 large eggs, separated 1/4 cup all-purpose flour 1/3 cup fresh lemon juice 1 tablespoon lemon zest (grated peel) 1 1/4 cups milk (preferably whole milk) 1/4 teaspoon salt Powdered sugar for dusting (optional)