Sugar-Free Blueberry Cottage Cheese Mug Cake Recipe This quick mug cake tastes like a warm blueberry muffin with a soft, fluffy texture from cottage cheese and egg. It’s fast, filling, and perfect for a sweet breakfast or late-night treat. ​ Ingredients Mug cake (Sugar-Free) 1/4 cup full-fat cottage cheese ​ 1 large egg ​ 2 tablespoons almond flour ​ 1 1/2 tablespoons sugar-free maple syrup (or monk fruit syrup) 1/4 teaspoon vanilla extract ​ 1/4 teaspoon baking powder ​ 1/4 cup frozen blueberri