1 ¼cupfrozen or fresh blueberries (Use more or less to taste)
Instructions
Stir almond flour, coconut flour, baking powder and salt together in a bowl and set aside.
In another mixing bowl, whisk together the sweetener, sour cream, eggs, lemon zest (if using), vanilla and melted butter.
Stir the flour mixture into the liquid mixture until blended, then stir in the frozen berries.
Spoon into cups, heaping as much as you can into the center. Cover the pan and let stand for 30 minutes.
Meanwhile, preheat oven to 350 degrees F. Line 6 muffin cups with paper liners or spray with baking spray
After the batter has stood for 30 minutes, go ahead and bake for about 30 minutes or until muffins are nicely browned and appear done. Let cool for about 15 minutes before serving.