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Olivia

Baked Onion Gratin

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Baked gratin onions stuffed with cheese and herbs until tender and golden. A rustic Let’s Veg recipe perfect for comforting vegetarian meals.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 4
Course: Appetizer, Main Course
Cuisine: American
Calories: 286
Ingredients Equipment Cooking Instructions Nutrition Notes

Ingredients
  

  • 4 large yellow or sweet onions
  • 2 tbsp olive oil
  • Salt to taste
  • Black pepper to taste
  • Filling
  • ¾ cup grated cheese Gruyère, mozzarella, fontina, or cheddar
  • 2 tbsp grated Parmesan
  • 2 tbsp fresh herbs finely chopped (parsley, thyme, chives, or rosemary)
  • 1 clove garlic minced (optional)
  • 2 tbsp breadcrumbs optional, for topping

Equipment

Oven Baking pans

Cooking Instructions
 

  1. Preheat oven to 400°F (205°C).
  2. Peel onions and cut off the top third. Scoop out the center layers, leaving a sturdy shell.
  3. Brush onions with olive oil and season with salt and pepper.
  4. Place onions in a baking dish, cut-side up.
  5. In a bowl, mix grated cheese, Parmesan, herbs, and garlic if using.
  6. Fill each onion generously with the cheese mixture.
  7. Sprinkle breadcrumbs on top if using.
  8. Cover loosely with foil and bake for 30 minutes.
  9. Uncover and bake an additional 10-15 minutes, until onions are tender and tops are golden.
  10. Rest 5 minutes before serving.

Nutrition

Calories: 286kcalCarbohydrates: 30gProtein: 9gFat: 15gSaturated Fat: 5gPolyunsaturated Fat: 1gMonounsaturated Fat: 7gCholesterol: 23mgSodium: 247mgPotassium: 439mgFiber: 3gSugar: 17gVitamin A: 406IUVitamin C: 19mgCalcium: 251mgIron: 1mg

Notes

Sweet onions work especially well here
Add spinach or mushrooms to the filling for variation
Serve as a side or a vegetarian main with salad

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