Step 1

Preheat oven to 350°F.

Step 2

Sauté onions in an ovenproof skillet over medium-high heat in oil and butter, 1 teaspoon salt and ½ teaspoon pepper until softened. Add cabbage and stir gently.

Step 3

Beat eggs, sour cream, half and half, garlic powder, and 1 teaspoon salt in a large bowl. Add flour and baking powder and mix until well combined.

Step 4

Pour egg mixture over top of cabbage and onions, then transfer skillet to oven. Bake for 30 minutes or until top of casserole is golden brown.