French Onion Chicken Casserole

French Onion Chicken Casserole is a creamy, cheesy, and indulgently savory dinner that’s as simple as it is satisfying. This no-fuss recipe uses just 5 ingredients and comes together in under 40 minutes. Whether you’re feeding a family or meal prepping for the week, this dish is perfect for anyone who loves comfort food with bold flavor and minimal effort.

Why You’ll Love This Recipe

• Just 5 Ingredients – All pantry staples or easy-to-find groceries.
• Ready in 35 Minutes – A fast weeknight dinner option.
• Rich French Onion Flavor – Thanks to the refrigerated onion dip and crispy fried onions.
• Make-Ahead Friendly – Easily prep the casserole ahead for busy days.
• Family Favorite – Kids and adults alike devour this dish!

Ingredients

• 4 cups cooked chopped chicken
• 1 cup shredded cheddar cheese
• 1 cup refrigerated sour cream French Onion Dip
• 1 (10.5-oz) can Unsalted Cream of Chicken Soup
• 1 (2.8-oz) can French fried onions

Directions

1. Preheat Oven:
   Preheat your oven to 350°F (175°C). Lightly spray a 9×9-inch baking dish with nonstick cooking spray.
2. Mix Casserole Base:
   In a large mixing bowl, combine the cooked chopped chicken, shredded cheddar cheese, French Onion sour cream dip, and cream of chicken soup. Stir until everything is fully incorporated and creamy.
3. Assemble in Baking Dish:
   Pour the chicken mixture into the prepared baking dish. Use a spatula to evenly spread it out to the edges of the pan.
4. Add Fried Onions:
   Open the can of French fried onions and sprinkle the entire amount evenly over the top of the chicken mixture.
5. Bake:
   Place the casserole dish in the preheated oven and bake uncovered for 30 to 40 minutes, until bubbly around the edges and the fried onions are golden brown.

Pro Tips and Variations

• Use Rotisserie Chicken for faster prep—just chop it up and mix.
• Sour Cream Dip Brand Tip: Use a refrigerated sour cream-based French onion dip like Dean’s, Kraft, Barber’s, or Heluva Good. Avoid shelf-stable dips.
• Substitution Option: If the dip isn’t available, mix 1 cup sour cream with 1 packet of onion soup mix.
• Low Sodium Tip: Use unsalted cream of chicken soup to control salt levels.

Serving Suggestions

Serve with a fresh green salad, steamed broccoli, green beans, or buttery rolls. For a heartier meal, add a scoop of rice or mashed potatoes on the side.

Storage/Reheating

• Refrigerator: Store leftovers in an airtight container for up to 4 days.
• Freezing: Freeze before baking for best results. Thaw completely before reheating.
• Reheating: Cover with foil and reheat in a 350°F oven for 30–45 minutes until warmed through.

FAQs

Can I add vegetables to this casserole?
Yes! Broccoli or peas work well. Add them fully cooked or steamed before mixing in.

Can I double this recipe?
Absolutely. Use a 9×13 pan and increase bake time by 5–10 minutes if needed.

Is this good for meal prep?
Definitely—it holds up well in the fridge and freezer, and reheats beautifully.

Conclusion

This French Onion Chicken Casserole is a creamy, savory one-pan wonder that’s guaranteed to become a regular in your rotation. Quick to prep, easy to bake, and delicious to devour—it’s comfort food perfection.

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