How Many Calories Does Cornbread Have? - Nutrineat Calories in Cornbread. ... Calories: Fat: Carb. Jiffy Corn Muffin Mix (¼ cup or 38g) 170: 4.5g: 27g: Prepared Cornbread (1 piece or 60g) 188: 6g: 28g: Prepared Cornbread made with low fat milk (1 piece or 65g) 173: 4.6g: 28g: Cornbread as a food, has a high glycemic index and can be very inflammatory in action. If prepared sweet, the amount of ...