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Home » Recipes » Meatballs

French Onion Meatballs with Orzo

Published: Mar 9, 2026 by Deborah · This post may contain affiliate links · This blog generates income via ads · #sponsoredpost · Leave a Comment

A bowl of french onion meatballs with orzo, with sautéed kale with chilli and lemon on the side.
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Inspired by the deep, savoury flavours of classic French onion soup, these French onion meatballs with orzo are pure comfort food. Juicy meatballs simmer in caramelised onions, rich stock and creamy orzo that soaks up every bit of flavour. It's cosy, indulgent, and surprisingly easy - perfect for chilly evenings or when you want something a little special without the effort.  

I found the original recipe on the Sainsbury's magazine website. We love French onion soup, so this one pot dish of comfort food really appealed, especially the golden cheesy topping on the slices of brioche.

The end result is a delicious cosy dinner that the whole family will love.

Tips

  • If the orzo thickens too much while standing, stir in a splash of hot stock to loosen it before serving. 
  • Optional variations: 
    • Spicy twist - add chilli flakes or Dijon mustard to the sauce. 
    • Slow cooker option - brown the meatballs first, then cook everything except the orzo on low for 6 hours.   Stir in cooked orzo at the end, then transfer everything to an ovenproof dish and top with the brioche slices and grated cheese and melt for 2 to 3 minutes under the grill. 
  • This French onion meatballs with orzo recipe is easily halved if you're cooking for less people.    

Frequently Asked Questions

Can I make this ahead of time?  

Yes - the meatballs and onion sauce can be made up to 2 days ahead. Reheat gently on the hob and then continue with the rest of step 3 - heat the oven, add the orzo and step 4 of the Instructions.  

Can I freeze it?  

Yes - freeze in portions for up to 3 months, without the brioche and cheese toppings. 

What cheese works best?  

Gruyère or comté give the classic French onion flavour, but mature cheddar and mozzarella work perfectly too.  

Can I use shop-bought meatballs?  

Yes - this recipe uses shop-bought meatballs.  

What can I serve on the side?  

A crisp green salad, steamed greens, or crusty bread work beautifully.  

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How to make these French Onion Meatballs with Orzo

Ingredients

  • 40g unsalted butter 
  • 2 tbsp olive oil 
  • 500g onions, thinly sliced 
  • salt and freshly ground black pepper 
  • 1 tbsp thyme leaves, plus extra to serve 
  • 20g soft light brown sugar 
  • 1 beef stock pot 
  • 500ml boiling water 
  • 65g mature cheddar, grated 
  • 65g mozzarella, grated 
  • 12 beef meatballs 
  • 0.5 tbsp plain flour 
  • 200ml red wine (French if possible) 
  • 250g orzo, rinsed 
  • 2 brioche rolls, cut into 1.5cm slices 

Instructions

  1. Heat the butter and 1 tbsp of the oil in a large ovenproof shallow casserole, skillet or frying pan until the butter has melted. Stir in the onions with a good pinch of salt. Cook over a medium high heat for 8 to 10 minutes until starting to brown, stirring occasionally. Mix in the thyme and sugar, then reduce the heat to low and cook for 1 hour, until deep golden and caramelised. Meanwhile, dissolve the stock pot in 500ml boiling water and set aside.  Mix the 2 cheeses together in a bowl and set aside. 
  2. Once the onions have caramelised, scoop them out onto a plate. Heat the remaining 1 tbsp of oil in the same pan, then brown the meatballs over a medium high heat, turning regularly, for 8 to 10 minutes. 
  3. Meanwhile, preheat the oven to 200C/180C fan/gas 6. Stir the caramelised onions into the meatballs with the flour. Cook out for about 1 to 2 minutes, then pour in the wine and simmer for 2 to 3 minutes, until reduced. Add the stock, season with black pepper and a pinch of salt, then bring to the boil. Remove from the heat and stir in the orzo, ensuring it is submerged in the liquid. 
  4. Cover with a lid (or tightly with foil) and bake in the oven for 25 minutes. Remove from the oven, uncover, then top with the brioche slices, nestling them in slightly, and cheese. Return to the oven, uncovered, for 10 minutes until golden. Stand for 5 to 10 minutes before serving scattered with extra thyme leaves. 

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A bowl of french onion meatballs with orzo, with sautéed kale with chilli and lemon on the side.

French Onion Meatballs with Orzo

By: Deborah
These French onion meatballs with orzo are rich, comforting, and packed with flavour. Juicy meatballs, caramelised onions, and creamy orzo make this an easy, cosy dinner the whole family will love.  
PREP: 30 minutes mins
COOK: 1 hour hr 45 minutes mins
TOTAL: 2 hours hrs 15 minutes mins
Servings: 4 people
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Equipment

  • Shallow casserole dish
  • Cast iron skillet
  • Frying pan

Ingredients

  • 40 g (1.4 oz) unsalted butter
  • 2 tbsp olive oil
  • 500 g (1.1 lb) onions thinly sliced
  • salt and freshly ground black pepper
  • 1 tbsp thyme leaves plus extra to serve
  • 20 g (0.7 oz) soft light brown sugar
  • 1 beef stock pot
  • 500 ml (2 cups) boiling water
  • 65 g (2.3 oz) mature cheddar grated
  • 65 g (2.3 oz) mozzarella grated
  • 12 beef meatballs
  • 0.5 tbsp plain flour
  • 200 ml (6.8 floz) red wine (French if possible)
  • 250 g (0.6 lb) orzo
  • 2 brioche rolls cut into 1.5cm slices

Instructions

  • Heat the butter and 1 tbsp of the oil in a large ovenproof shallow casserole, skillet or frying pan until the butter has melted. Stir in the onions with a good pinch of salt. Cook over a medium high heat for 8 to 10 minutes until starting to brown, stirring occasionally. Mix in the thyme and sugar, then reduce the heat to low and cook for 1 hour, until deep golden and caramelised. Meanwhile, dissolve the stock pot in 500ml boiling water and set aside. Mix the 2 cheeses together in a bowl and set aside.
  • Once the onions have caramelised, scoop them out onto a plate. Heat the remaining 1 tbsp of oil in the same pan, then brown the meatballs over a medium high heat, turning regularly, for 8 to 10 minutes.
  • Meanwhile, preheat the oven to 200C/180C fan/gas 6. Stir the caramelised onions into the meatballs with the flour. Cook out for about 1 to 2 minutes, then pour in the wine and simmer for 2 to 3 minutes, until reduced. Add the stock, season with black pepper and a pinch of salt, then bring to the boil. Remove from the heat and stir in the orzo, ensuring it is submerged in the liquid.
  • Cover with a lid (or tightly with foil) and bake in the oven for 25 minutes. Remove from the oven, uncover, then top with the brioche slices, nestling them in slightly, and cheese. Return to the oven, uncovered, for 10 minutes until golden. Stand for 5 to 10 minutes before serving scattered with extra thyme leaves.

Notes

  • If the orzo thickens too much while standing, stir in a splash of hot stock to loosen it before serving. 
  • Optional variations: 
    • Spicy twist - add chilli flakes or Dijon mustard to the sauce. 
    • Slow cooker option - brown the meatballs first, then cook everything except the orzo on low for 6 hours.   Stir in cooked orzo at the end, then transfer everything to an ovenproof dish and top with the brioche slices and grated cheese and melt for 2 to 3 minutes under the grill. 
  • This French onion meatballs with orzo recipe is easily halved if you're cooking for less people.    
 
 
You might also like to try:   
  • meatball dishes 
  • pasta dishes 

Nutrition

Calories: 718kcal | Carbohydrates: 67g | Protein: 25g | Fat: 34g | Saturated Fat: 15g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 14g | Trans Fat: 0.3g | Cholesterol: 82mg | Sodium: 492mg | Potassium: 550mg | Fiber: 4g | Sugar: 13g | Vitamin A: 616IU | Vitamin C: 12mg | Calcium: 263mg | Iron: 2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

KEYWORDS cheesy orzo recipe, comfort food meatballs, french onion inspired dinner, french onion meatballs, french onion meatballs with orzo, meatball orzo recipe, meatballs with. orzo, one pan meatball dinner
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Photo of Deborah in her kitchen!

Hello!   I’m Deborah and I’m married to David and have 2 lovely step sons.   David and I both love cooking…for ourselves, family and friends.   I’m definitely one of the lucky ones…getting cooked for and we enjoy cooking together.

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