French Onion Beef Casserole

French onion soup’s bistro soul—slow-caramelized onions and nutty Gruyère—meets a hearty American casserole. Cubed beef simmers in thyme-scented broth, then bakes under toasted baguette and melted cheese for pure comfort.

Serves 6 · 40 min prep · 90 min cook

Estimate for one serving

• 300 cal
• 12g protein
• 24g carbs
• 8g fat
• 3g fiber

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Ingredients

• 2 lb beef stew meat, cubedMeat
• 3 large yellow onions, thinly slicedProduce
• 3 tbsp butterDairy
• 2 cups beef brothPantry
• 1/2 cup dry white wine or extra brothPantry
• 1 tsp thymeSpices
• 8–10 baguette slices, toastedBakery
• 2 cups Gruyère cheese, shreddedDairy
• 2 tbsp flourPantry
• to taste salt and pepperSpices

Instructions

1. 1Brown beef; set aside. Caramelize onions in butter 25–30 minutes. Stir in flour, then broth, wine, and thyme.
2. 2Return beef; simmer covered until nearly tender (or pressure cook). Transfer to a casserole.
3. 3Top with baguette slices and Gruyère.
4. 4Bake at 400°F for 15 minutes until cheese is bubbly and browned.