Blueberry Soy Flour Muffins - U.S. Soy

Ingredients

• 1 cup Soy flour (or soy protein isolates)
• 3 cups All-purpose flour
• 1 tablespoon Baking powder
• 1⁄2 teaspoon Baking soda
• 1 teaspoon Salt
• 1 teaspoon Cream of tartar
• 2⁄3 cups Granulated sugar
• 2⁄3 cups Vegetable shortening
• 2 tablespoons Powdered sugar
• 1 1⁄2 cup Blueberries, fresh or frozen (do not thaw)
• 8 Egg whites
• 2 cups Orange juice