Stuffed Cornbread Muffins are packed with tasty mix-ins: corn kernels, chopped pepperoni, and chopped franks. Easy to make and delicious. Buttermilk is the key ingredient that makes them moist, flavorful, and golden brown. Mix-ins add more flavor and a little texture. Sugar is optional. These muffins are a variation of my popular Homemade White Cornbread….