Onion Ring Casserole Recipe
American · Side dish · 40 min total
A comforting and cheesy casserole that transforms frozen onion rings into a crowd-pleasing side dish, perfect for potlucks or family dinners.
10
min prep
30
min cook
8
servings
320
kcal/serving
Ingredients
- 1 (28 oz) bag frozen onion rings
- 2 cups shredded cheddar cheese
- 1 cup shredded mozzarella cheese
- 1 (10.5 oz) can cream of mushroom soup
- 1/2 cup milk
- 1/2 cup sour cream
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon black pepper
- 2 tablespoons chopped fresh parsley (optional)
Instructions
- Preheat oven to 375°F (190°C). Grease a 9x13-inch baking dish.
- Arrange frozen onion rings in a single layer in the prepared dish, overlapping slightly if needed.
- In a medium bowl, whisk together cream of mushroom soup, milk, sour cream, garlic powder, onion powder, and black pepper until smooth.
- Pour the soup mixture evenly over the onion rings.
- Sprinkle the cheddar and mozzarella cheeses over the top.
- Bake for 25-30 minutes, until bubbly and golden brown on top.
- Let rest for 5 minutes before serving. Garnish with parsley if desired.
Tips
- For extra crunch, add 1/2 cup crushed potato chips or French-fried onions on top before baking.
- Leftovers can be stored in the refrigerator for up to 3 days and reheated in the oven or microwave.
- Substitute cream of chicken or cream of celery soup for a different flavor.
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