Apple Stuffed Belgian Waffles

Ingredients

• 2 tablespoons unsalted butter
• 2 apples, sliced (Opal ® Apples were beautiful in this)
• 1/4 cup apple juice
• juice of half a lemon
• 2-3 tablespoons brown sugar, to taste
• 3 cups all purpose flour
• 3/4 cups granulated sugar
• 5 1/4 teaspoons baking powder
• 3 large eggs, separated
• 3 cups buttermilk
• 3/4 cups unsalted butter, melted
• 1 1/2 teaspoon vanilla
• 1 1/4 cups powdered sugar
• 2-4 tablespoons skim milk
• 1 teaspoon lemon juice