Whole wheat buttermilk pancakes recipe

Ingredients

• 3/4 cup flour
• 2/3 cup whole wheat pastry flour
• 1 1/2 tablespoons packed brown sugar
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1 egg
• 4 egg whites
• 1 3/4 cups buttermilk
• 1 teaspoon vanilla extract