Preheat oven to 375°. Spray a 12-hole mini muffin pan with butter flavored cooking spray. In a medium bowl, combine baking mix, 1/4 cup sweetner, and 1/2 teaspoon cinnamon. Add egg substitute, skim milk and vanilla extract. Mix well to combine. Drop by spoonfulls into prepared muffin pan. Bake for 14-16 minutes. Place muffin pan on a wire rack and cool for 10 minutes. Spray the tops of the balls with cooking spray. Remove balls from pan. In a plastic zipper bag, combine remaining 2 Tablespoons sweetner and remaining 1/2 teaspoon cinnamon. Place donuts in bag, 2 or 3 at a time, shake to coat.