Gluten Free Blueberry Muffins

STEP 1
Preheat the oven to 375⁰F. Line muffin pan with paper liners.
STEP 2
In medium bowl, combine butter, sugar and egg. Add Krusteaz Gluten Free All Purpose Flour, baking powder, soda, salt, yogurt and lemon zest; stir until well blended. Gently fold in berries. Batter will be thick. Fill muffin cups 2/3 full, sprinkle tops with raw sugar.
STEP 3
Bake 20-26 minutes or until light brown.