Apple Cake with Sour Cream Topping

Ingredients

• 1/2 cup butter, softened
• 1/2 cup sugar
• 3 large eggs
• 1/2 teaspoon grated lemon zest (optional)
• 1 3/4 cups Extra White Gold Gluten Free all purpose flour
• 2 teaspoons baking powder
• 1/4 teaspoon salt
• 1/2 cup milk
• 2 medium apples, peeled and chopped (about 2 cups)
• 1 tablespoon unsalted
• 2 tablespoons light brown sugar
• 1 cup sour cream
• 2 tablespoons sugar
• 1 teaspoon grated lemon zest