Pecan waffles withraspberry sauce

Ingredients

• 4 eggs, separated (reserve whites and beat)
• 2 cups buttermilk
• 1-1/3 teaspoons baking powder
• 1-1/3 teaspoons baking soda
• 2/3 cup butter
• 1-1/3 teaspoons vanilla
• 1-1/3 cups sour cream
• 1/3 cup sugar
• 3/4 chopped pecans
• 2-2/3 cups all-purpose flour
• 1/2 cup sugar
• 2 cups apple juice
• 4 Tablespoons corn starch
• 1/4 cup butter
• 1 teaspoon lemon rind
• 1 cup fresh or frozen raspberries