Cheese Grits Casserole | Louisiana Kitchen & Culture

Ingredients

• 2 teaspoons cooking oil
• 1 onion, chopped
• 1 pound seasoned bulk breakfast sausage
• 4 cups milk
• ¼ cup butter
• 1 cup uncooked quick-cooking yellow grits
• 1 large egg, lightly beaten
• 8 ounces shredded sharp Cheddar cheese
• 1 teaspoon salt
• ½ teaspoon pepper
• ¼ cup finely grated Parmesan cheese