Source: Hershey's Kitchens
2 cups all-purpose biscuit baking mixPreheat oven to 400 degrees F. Grease or paper-line 12 muffin cups (2 1/2-inches in diameter).
Stir together baking mix, sugar, vegetable oil, egg, cinnamon chips and milk in medium bowl just until moistened. Divide batter evenly into prepared muffin cups.
Bake 15 to 18 minutes or just until browned. Cool slightly; remove from pan.
Yields 12 muffins.