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french onion "meatball" stuffed spaghetti squash

Lots of onions, lots of cheese, lots of balls. Mmm, cheesy balls.
Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Course Main Course
Servings 6

Ingredients
  

meatballs

  • 1 can chickpeas, drained
  • 1 cup walnut halves
  • 1/2 cup plain breadcrumbs
  • 1/2 onion
  • 4 cloves garlic, minced
  • 1 large egg, lightly whisked
  • 2 tbsp fresh oregano
  • 1/3 cup gruyere cheese

stuffed squash

  • 4 large yellow onions, thinly sliced
  • 2 tbsp butter
  • 1 cup dry white wine
  • 2 tbsp sherry vinegar (or red wine vinegar)
  • 3/4 cup gruyere cheese, shredded
  • 3/4 cup low-moisture mozzarella cheese, shredded
  • 2 medium spaghetti squashes

Instructions
 

  • Preheat oven to 425 degrees. Lightly grease a large baking sheet with oil.
  • Halve the spaghetti squashes lengthwise (see "notes" for a tip) and scoop out the seeds/goop. Rub the cut sides with olive oil and sprinkle with salt and pepper. Roast 25-30 minutes.
  • To the bowl of a food processor, add the chickpeas, walnuts, breadcrumbs, onion, garlic cloves, egg, oregano, and gruyere cheese, as well as a pinch of salt and pepper. Pulse until a coarse but cohesive batter forms. Rub your hands with olive oil and roll into balls: you should get 12-14.
  • Heat 2 tablespoons olive oil in a skillet over medium heat. Cook the meatballs for 8-10 minutes, turning every 1-2 minutes to brown all sides. Move to a plate.
  • Add the butter to the same skillet, then stir in the onions. Stir in the sherry vinegar and a pinch of salt and pepper. Working in 5 minute increments, pour in 1/4 cup of the wine and cook on medium heat, stirring occasionally, until the onions are golden brown and taste sweetened. This may take around 30 minutes, and you may need a touch more wine.
  • Divide the onions and meatballs among the squash boats. Sprinkle with the remaining gruyere and the mozzarella. Bake 10-15 minutes until the cheese is melted and golden in spots. Serve warm.

Notes

*Softening the squash: My best practice for pre-softening the spaghetti squashes is to microwave them for a little. Stab the squash all over with a fork, then, working one at a time, zap for 6-8 minutes. Let cool until able to handle, then use a sharp chef's knife to cut. Take care not to soften too much or else the squash will shatter like your lifelong dreams.
Keyword caramelized onions, cheese, chickpea meatballs, comfort food, fall, gruyere, meatball, spaghetti squash, thanksgiving, vegetarian