Christie's Baked Onion Casserole Recipe

This easy, cheesy onion casserole is a crowd-pleaser! Layers of tender caramelized onions, crispy potato chips, and creamy soup create a comforting and delicious dish perfect for onion lovers. Get ready for a flavor explosion in just 70 minutes!

Prep Time 20 mins

Cook Time 70 mins

Calories 310.6 kcal

Protein 21g

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The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Christie's Baked Onion Casserole

Butter
Sweet Onions
2 cups crushed potato chips
Cheddar Cheese
Cream Of Mushroom Soup
½ cup milk
¼ teaspoon cayenne pepper (or more, to taste)

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How to Make Christie's Baked Onion Casserole

Preheat oven to 350°F (175°C).
Butter a 2-quart casserole dish.
In a large pot, cover 3 lbs yellow onions, thinly sliced, with water.
Bring to a boil and cook until onions are crisp-tender, about 8-10 minutes. Drain well.
Layer half of the onions in the prepared dish.
Top with 1 cup crushed potato chips.
Sprinkle with 1 cup shredded cheddar cheese.
Repeat layers with remaining onions, potato chips, and cheese, ending with cheese.
In a medium bowl, whisk together 1 (10.75 ounce) can condensed cream of mushroom soup and ½ cup milk.
Stir in ¼ teaspoon cayenne pepper (or more, to taste).
Pour soup mixture evenly over the cheese layer.
Bake uncovered for 45-50 minutes, or until onions are tender and the top is golden brown.

Nutrition Information (Approximate per serving)

Sodium

30 g

Sugar

21g

Fat

48g

Carbs

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Main Courses Main Dish / Dinner Sweets & Sides Side Dishes The Americas American Southern Vegetarian Fall Recipes Holiday Recipes Game Day Recipes Baking

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Frequently Asked Questions

How long does it take to make Christie's Baked Onion Casserole?

Christie's Baked Onion Casserole takes about 90 minutes from start to finish — roughly 20 minutes to prepare and 70 minutes to cook.

How many calories are in Christie's Baked Onion Casserole?

Christie's Baked Onion Casserole has approximately 310.6 calories per serving, with about 21 g protein, 7 g carbohydrates and 31 g fat.

What ingredients do I need for Christie's Baked Onion Casserole?

The key ingredients for Christie's Baked Onion Casserole are Butter, Sweet Onions, Potato Chips, Cheddar Cheese, Cream Of Mushroom Soup, Milk. See the full list with measurements above.