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Nonna's Italian Baked Onions

Slowly baked with tomatoes, garlic, parsley, and a generous sprinkle of Grana Padano, these onions become tender, sweet, and irresistibly savory.
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Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Course Main Course
Cuisine Italian
Servings 5

Notes

Ingredients (Serves 5)

  • 5 onions
  • 3 red tomatoes, chopped
  • 1 clove garlic, minced
  • 1 sprig parsley, chopped
  • Salt and pepper to taste
  • Extra virgin olive oil to taste
  • 2 handfuls Grana Padano cheese
  • 2 cups water

Instructions

  1. Prepare the base
    Place the chopped tomatoes, parsley, garlic, salt, pepper, and a drizzle of extra virgin olive oil in a baking dish.
  2. Add the onions
    Peel the onions and arrange them on top of the tomato mixture. Season lightly with more salt, pepper, and a drizzle of olive oil.
  3. Sprinkle with cheese
    Generously cover the onions with grated Grana Padano cheese.
  4. Add moisture
    Pour 2 cups of water into the baking dish to help the onions soften and cook evenly.
  5. Bake
    Transfer to a preheated oven at 200°C (390°F) and bake for about 1 hour, or until the onions are tender and golden on top.
Keyword Italian baked onions, Nonna’s baked onions, baked onion recipe, Italian side dish, rustic Italian recipes, onions with cheese, oven baked onions