Custard-filled Walnut-topped Cake Recipe – Sunset Magazine

Ingredients

• 1/2 cup chopped walnuts
• 1/2 cup firmly packed light brown sugar
• 1/4 cup melted butter, plus 1/2 cup butter softened at room temperature
• 1/4 teaspoon ground nutmeg
• 1 1/3 cups granulated sugar, divided
• 3 large eggs, divided
• 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup sour cream
• 1 cup milk
• 1 1/2 tablespoons cornstarch
• 1 teaspoon vanilla extract