Heat oil in a skillet. Saute finely chopped sausage and corn until thoroughly warmed. Transfer to a bowl.
2
Wipe skillet clean and set aside.
3
Whisk cornmeal and next seven ingredients in a medium bowl. Whisk buttermilk and egg in a large bowl; add dry ingredients and whisk until just combined. Fold in sausage/corn mixture and scallions.
4
Coat non-skillet with cooking spray; heat and add batter to skillet by tablespoons. Cook until cakes are crisp and golden brown (2-3 minutes). Turn cakes over and cook until browned (about 1-2 minutes longer).