Created by elleLee on November 12, 2015
Step 1: Preheat oven to 350-F.
Step 2: Line a standard muffin tin with a dozen, 2-1/2 inch, cup-cake paper baking cups.
Step 3: In a mixing bowl, add the flour, cocoa powder, sugar, baking powder, salt and cinnamon (if using). Mix dry ingredients well with whisk.
Step 4: In another mixing bowl add the milk, yogurt, vegetable oil, eggs and vanilla extract. Mix well with whisk until blended.
Step 5: Add the liquid ingredients to the dry ingredients. Stir until dry ingredients are just moistened. Then carefully with a spoon mix in chocolate chips (careful not to over mix).
Step 6: Pour batter into 12 muffin cups. Fill each almost to the top.
Step 7: Bake at 350-F for 20 to 25-minutes or until a toothpick comes out
Step 8: Clean when inserted into center of muffin.