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Onion Gratin with Fresh Herbs Recipe

Onion Gratin with Fresh Herbs Recipe


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4.6 from 6 reviews

  • Author: Emma
  • Total Time: 1 hour
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

Indulge in the rich and savory flavors of this Onion Gratin with Fresh Herbs recipe. Caramelized onions are baked with a blend of fresh herbs, cream, and cheese for a comforting and delicious side dish. Perfect for accompanying roasted meats or as a standalone vegetarian main.


Ingredients

Scale

Onion Gratin:

  • 4 large yellow onions (thinly sliced)
  • 2 tablespoons olive oil or butter
  • 1 teaspoon sea salt
  • 1/2 teaspoon black pepper

Herb Mixture:

  • 1/2 cup heavy cream or full-fat coconut milk
  • 1/2 cup grated Gruyère or Parmesan cheese
  • 1 tablespoon chopped fresh thyme
  • 1 tablespoon chopped fresh parsley
  • 1 teaspoon chopped fresh sage or rosemary
  • 1/4 teaspoon nutmeg (optional)
  • 1 tablespoon breadcrumbs or crushed nuts (optional for topping)

Instructions

  1. Preheat the Oven: Preheat your oven to 375°F (190°C).
  2. Caramelize Onions: Heat olive oil or butter in a skillet, add onions, salt, and pepper. Cook until golden and caramelized.
  3. Add Herbs: Stir in fresh herbs and nutmeg, if using.
  4. Assemble: Transfer onions to a baking dish, pour cream over them, sprinkle with cheese, and top with breadcrumbs or nuts.
  5. Bake: Bake for 20-25 minutes until golden and bubbly.
  6. Serve: Let it rest for 5-10 minutes before serving.

Notes

  • This gratin pairs well with roasted meats or serves as a satisfying vegetarian main dish.
  • Variations: Try shallots or sweet onions. For a dairy-free option, use coconut milk and vegan cheese.
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: French-Inspired

Nutrition

  • Serving Size: 1/2 cup
  • Calories: 220
  • Sugar: 5g
  • Sodium: 320mg
  • Fat: 16g
  • Saturated Fat: 8g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 15g
  • Fiber: 2g
  • Protein: 4g
  • Cholesterol: 30mg