Dump and Bake French Onion Meatballs and Rice

By Leslie Blythe  , ,   

July 8, 2025

Taking the timeless appeal of classic French onion soup, this casserole is an incredibly easy, weeknight-friendly dish. All the delicious flavors you love are here: buttery caramelized onions, rich beef broth, and savory Gruyère cheese. It's the perfect way to enjoy this iconic 18th-century Parisian creation as a comforting and quick meal on even your busiest evenings.

  • Prep: 15 mins
  • Cook: 1 hr
  • Yields: 4 Servings

Ingredients

Nonstick cooking spray


8 ounces mushrooms, sliced

14½ ounce can reduced-sodium beef broth


10 ounce can condensed French onion soup


1 cup white rice


2 teaspoons fresh thyme, chopped


¼ cup butter, thinly sliced


24 frozen homestyle beef meatballs (12 ounces)


4 ounces Gruyère or Swiss cheese, shredded

Directions

1Preheat oven to 425°F. Lightly coat a shallow 2-qtuart baking dish with cooking spray. Add mushrooms, broth, soup, rice, and thyme to the prepared dish; stir to combine. Top with butter slices. Cover dish tightly with foil.

2Bake 30 minutes. Uncover; top with meatballs. Bake, uncovered, until rice is tender and meatballs are heated through (165°F), about 30 minutes more.

3Top with cheese; tent loosely with foil. Let stand 5 minutes. If you like, sprinkle with additional thyme.

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