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French Onion Orzo Bake

A creamy, cheesy one-pan orzo casserole inspired by classic French onion soup, packed with caramelized onions, herbs, and rich broth.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 6 servings
Course: Main Dish
Cuisine: American, Comfort Food
Calories: 420
Ingredients Equipment Method Notes

Ingredients
  

French Onion Base
  • 2 tbsp butter
  • 1 tbsp olive oil
  • 3 large yellow onions thinly sliced
  • 3 cloves garlic minced
  • 1 tsp sugar optional
  • 1 tbsp fresh thyme
  • 0.5 tsp salt
  • 0.25 tsp black pepper
Orzo Bake
  • 1.5 cups orzo uncooked
  • 3 cups beef broth
  • 0.5 cup heavy cream
  • 1 tsp Worcestershire sauce
  • 1.5 cups shredded Gruyère or mozzarella
  • fresh thyme for garnish

Equipment

  • Mixing bowls
  • Baking sheet
  • Wire rack
  • Hand mixer or stand mixer

Method
 

  1. Preheat oven to 375°F (190°C).
  2. Caramelize onions in butter and olive oil for 15–20 minutes.
  3. Add garlic, sugar, thyme, salt, and pepper; stir well.
  4. Stir in orzo and let it toast slightly.
  5. Pour in broth, cream, and Worcestershire; bring to a simmer.
  6. Transfer to a baking dish if needed, cover with foil, and bake 20 minutes.
  7. Remove foil, top with cheese, and bake 10–12 minutes more until melty and golden.
  8. Garnish with thyme and serve warm.

Notes

Use mozzarella for mild flavor or Gruyère for classic French onion taste.