Little Lemon Cakes with Soft Cream

Ingredients

• Melted butter as needed, for brushing
• Granulated sugar as needed, for dusting
• 5 tablespoons unsalted butter
• 6 tablespoons plus 3/4 cup granulated sugar
• 5 large eggs, separated
• Grated zest of 2 lemons
• 6 tablespoons all-purpose flour
• 1 1/4 cups whole milk
• 2/3 cup lemon juice, at room temperature
• 1 cup heavy cream, for topping
• 2 tablespoons confectioners' sugar, for dusting
• 1/4 teaspoon vanilla extract, for topping
• Raspberries, for garnish (optional)