French Onion Rice Bake Recipe

If you’re a fan of cozy casseroles and crave those rich, caramelized flavors of French onion soup, then you’re absolutely going to love this French Onion Rice Bake Recipe. It’s like your favorite comforting soup transformed into a dreamy rice bake that’s creamy, flavorful, and oh-so-easy to throw together. I remember the first time I made it; the whole family went crazy, and it quickly became a staple in my weeknight routine. Stick around, because I’m going to walk you through everything so your bake turns out perfect every time!

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Why You’ll Love This Recipe

  • Simplicity at its Best: Just a few pantry staples come together for a luscious, hearty bake with minimal fuss.
  • Ultimate Comfort Food: The buttery, savory onion flavors infuse every grain of rice — pure comfort in every bite.
  • Hands-Off Cooking: After mixing and popping in the oven, you get a relaxing break while it does its magic.
  • Family-Friendly Crowd Pleaser: This dish keeps everyone happy and is great for easy weeknight dinners or potlucks.

Ingredients You’ll Need

The beauty of this French Onion Rice Bake Recipe is how simple the ingredient list is — no complicated sauces or fancy add-ins. Each component is key to getting that rich French onion soup flavor in a satisfying rice dish. When shopping, I like grabbing good quality beef broth for depth and a classic canned French onion soup for that iconic onion and herb blend.

Flat lay of long grain rice in a small white ceramic bowl, rich golden butter sliced into thin pats arranged neatly on a simple white plate, two small white bowls containing deep brown beef broth and translucent caramel-colored French onion soup, all placed with perfect symmetry and balanced proportions on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997 - French Onion Rice Bake, French Onion Soup casserole, easy onion rice bake, comforting rice casserole, savory French onion dish
  • Long grain rice: Avoid instant rice here — regular long grain cooks to fluffy, tender perfection with this method.
  • Campbell’s French Onion Soup: The real star; it gives the bake that deep caramelized onion flavor we all love.
  • Beef broth: Adds savory richness, giving the rice that meaty, comforting base flavor.
  • Butter: Sliced over the top — this melts into the rice, making it ultra-creamy and indulgent.
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Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love how flexible the French Onion Rice Bake Recipe can be. Whether you want to add protein, swap out dairy, or kick it up with extra veggies, it’s your kitchen playground. I often tweak this recipe based on what’s in the pantry or what mood I’m in, and honestly, it never disappoints!

  • Add protein: Sometimes I stir in cooked diced chicken or crumbled sausage for a heartier meal — it makes it perfect for a main dish.
  • Make it vegetarian: Use vegetable broth instead of beef broth and it’s still fantastic — the French onion soup really carries the flavor work.
  • Extra veggies: Toss in sautéed mushrooms or green beans for texture and nutrition.
  • Cheesy twist: Sprinkle some Gruyère or Swiss cheese on top before the final bake — it melts beautifully and adds another layer of indulgence.

How to Make French Onion Rice Bake Recipe

Step 1: Mix and layer your ingredients

Start by preheating your oven to 425°F — this high heat helps the rice cook quickly and develop a nice crust on the edges. In a baking dish (I like an 8×8 for even cooking), combine the long grain rice, the entire can of Campbell’s French Onion Soup, and the beef broth. Stir gently to spread everything evenly. Then slice your butter and lay the pieces over the top of the rice mixture — this melts into the dish, adding richness and that silky texture I adore.

Step 2: The first bake – cover and let it steam

Cover your baking dish tightly with foil to trap the steam — this step is crucial for perfectly cooking the rice through. Pop it into the preheated oven and bake for about 25 minutes. Don’t peek too often! This steam bath is what cooks the rice tender while infusing it with those beautiful French onion flavors.

Step 3: Uncover and get golden

After 25 minutes, carefully remove the foil. You’ll notice the rice is already smelling incredible and is mostly cooked. Leave it uncovered now and bake for another 20 to 25 minutes. This lets the liquid fully absorb, and the top develop a lovely golden color. The butter melts down creating little pockets of buttery goodness. The edges get a slight crispiness, which I find irresistible!

Step 4: Serve it up warm and enjoy

Once the rice is tender and all the liquids are absorbed, pull it out and let it sit for a few minutes before serving. This rest time helps everything settle so you get beautiful fluffy bites each time. Grab a generous spoon and dive in — you’re going to love how the familiar French onion soup flavors pop in a new, exciting way.

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Pro Tips for Making French Onion Rice Bake Recipe

  • Use fresh butter slices: Rather than melting all the butter upfront, placing butter slices on top ensures pockets of buttery flavor throughout the bake.
  • Don’t skip the foil cover: I learned this the hard way — without covering, the rice can dry out or cook unevenly.
  • Quality broth matters: Use a good-quality beef broth — it really lifts the flavor beyond the canned soup alone.
  • Let it rest before serving: Trust me, the rice settles and the flavors marry better after a 5-minute rest outside the oven.

How to Serve French Onion Rice Bake Recipe

French Onion Rice Bake Recipe - Serving

Garnishes

I tend to keep it simple here, but I absolutely love adding a sprinkle of fresh chopped parsley or chives on top just before serving — it adds a pop of color and freshness that balances the richness. Sometimes a dusting of freshly cracked black pepper or a few shreds of Gruyère melted on top makes it extra special.

Side Dishes

My go-to pairings are roasted or steamed green veggies like broccoli or green beans to contrast the creamy rice. A crisp green salad with a zingy vinaigrette cuts through the richness perfectly. If I’m serving this as a main, I like to add roasted chicken or seared steak on the side for a complete meal.

Creative Ways to Present

For holidays or dinner parties, I sometimes bake this in individual ramekins for perfect single servings — guests love the personalized touch. You can also sprinkle caramelized onions and crispy fried shallots on top for that gourmet wow factor. A drizzle of truffle oil can be a decadent finish if you’re feeling fancy!

Make Ahead and Storage

Storing Leftovers

Leftover French Onion Rice Bake tastes fantastic the next day. I store mine in an airtight container in the fridge and it holds up well for 3-4 days. Before sealing, I like to press a piece of plastic wrap directly on the surface to prevent drying out.

Freezing

I’ve frozen this bake a couple of times with success. After fully cooling, I portion it into freezer-safe containers and freeze up to 2 months. When ready to eat, I thaw overnight in the fridge for best texture.

Reheating

To reheat leftovers, I recommend an oven or toaster oven at 350°F until warmed through — this revives the top crispiness. If you’re short on time, a quick zap in the microwave works but expect softer edges. Adding a tiny pat of butter before reheating helps keep it moist.

FAQs

  1. Can I use brown rice instead of white rice for the French Onion Rice Bake Recipe?

    You can, but brown rice takes longer to cook and absorbs liquid differently. If you want to try it, increase the baking time and add a bit more broth to ensure it cooks through. Just keep an eye on it to prevent drying out.

  2. Is there a way to make this dish vegan?

    Absolutely! Simply swap out the beef broth for a rich vegetable broth, use a vegan French onion soup (or make your own), and replace the butter with a plant-based alternative. The dish still turns out super flavorful and comforting.

  3. Can I prepare the French Onion Rice Bake Recipe ahead of time and bake it later?

    You sure can! Mix all the ingredients in your baking dish, cover tightly, and keep it refrigerated for up to 24 hours before baking. Just add a few extra minutes to the cooking time since it will be cold going into the oven.

  4. What if I don’t have Campbell’s French Onion Soup — can I substitute it?

    While Campbell’s is classic for this recipe, you can substitute any French onion soup you like or even homemade. Just pick one with a good balance of onions and herbs so the flavor shines through.

Final Thoughts

This French Onion Rice Bake Recipe is the kind of dish I keep returning to when I want something simple yet soul-soothing. The ease, the rich buttery flavor, and the way it pairs perfectly with so many meals make it a winner for any day of the week. I’m genuinely excited for you to try it — it’s one of those recipes that feels like a warm kitchen hug every time you dig in. Happy baking and enjoy every buttery, oniony bite!

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French Onion Rice Bake Recipe

French Onion Rice Bake Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.5 from 90 reviews
  • Author: Emily
  • Prep Time: 5 minutes
  • Cook Time: 45 minutes
  • Total Time: 50 minutes
  • Yield: 6 servings 1x
  • Category: Side Dish
  • Method: Baking
  • Cuisine: French-American

Description

This comforting French Onion Soup Rice combines the savory flavors of classic French onion soup with tender, buttery rice baked to perfection. A simple, hearty side dish perfect for weeknight dinners or as an accompaniment to your favorite main courses.


Ingredients

Scale

Ingredients

  • 1 cup long grain rice (not Instant)
  • 10 oz Campbell’s French Onion Soup
  • 10 oz beef broth
  • ½ cup butter, sliced


Instructions

  1. Combine Ingredients: In an 8×8 inch baking dish, thoroughly mix the long grain rice, Campbell’s French Onion Soup, and beef broth until evenly combined.
  2. Add Butter: Place the sliced butter evenly on top of the rice mixture, distributing it to aid in richness and flavor as it bakes.
  3. Cover and Bake: Cover the baking dish tightly with aluminum foil to trap moisture. Bake in a preheated oven at 425°F (220°C) for about 25 minutes to start cooking the rice and blending flavors.
  4. Remove Foil and Continue Baking: Carefully remove the foil and continue baking for an additional 20-25 minutes. This allows the rice to become tender and the liquid to be fully absorbed, creating a flavorful and creamy dish.
  5. Serve: Once the rice is tender and the liquid absorbed, remove from oven, dish out portions, and enjoy this rich and savory side dish alongside your meal.

Notes

  • Use long grain rice for best texture; instant rice will not bake properly.
  • Ensure the baking dish is covered tightly with foil to avoid drying out the rice.
  • Butter slices contribute to creaminess—do not omit for best flavor.
  • For a richer flavor, you can add a sprinkle of shredded Gruyere or another cheese on top after removing foil and during the last baking stage.
  • Leftovers can be stored in an airtight container in the refrigerator for up to 3 days and reheated gently on the stove or microwave.

Nutrition

  • Serving Size: 1/6 of recipe
  • Calories: 220 kcal
  • Sugar: 2 g
  • Sodium: 700 mg
  • Fat: 9 g
  • Saturated Fat: 5 g
  • Unsaturated Fat: 3 g
  • Trans Fat: 0 g
  • Carbohydrates: 28 g
  • Fiber: 1 g
  • Protein: 4 g
  • Cholesterol: 25 mg

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