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Cheesy Baked Zucchini Gratin

A comforting dish that combines layers of zucchini, a creamy cheese blend, and aromatic spices for a delightful dining experience.
Prep Time20 minutes
Cook Time30 minutes
Total Time50 minutes
Course: Main Course, Side Dish
Cuisine: French
Keyword: Baked Zucchini, Cheesy Zucchini Gratin, comfort food, Creamy Gratin, Vegetarian Dish
Servings: 6 servings
Calories: 400kcal

Ingredients

Zucchini Preparation

  • 4 medium medium zucchinis Fresh with glossy skin.
  • 1 teaspoon salt To draw moisture from the zucchinis.
  • 1 tablespoon olive oil For sautéing.
  • 1 small onion Finely chopped.
  • 2 cloves garlic Minced.

Cream Sauce

  • 200 ml heavy cream For rich creaminess.
  • 1 teaspoon Dijon mustard Adds tanginess.
  • 1/4 teaspoon nutmeg For warmth.
  • salt and pepper To taste.

Cheese Blend

  • 1 cup shredded mozzarella For creaminess.
  • 1/2 cup grated Parmesan For flavor and topping.
  • 1/2 cup shredded Gruyère or cheddar For additional flavor.
  • 2 tablespoons freshly chopped parsley or chives For garnish.

Instructions

Preparation

  • Lay the zucchini slices out on a tray, sprinkling them liberally with salt. Let them rest for 15-20 minutes to draw out that excess water.
  • Pat each slice dry with paper towels.

Sauté the Base

  • In a skillet, heat one tablespoon of olive oil over medium heat.
  • Toss in the finely chopped onion, stirring until soft for about 3-5 minutes.
  • Add the minced garlic and continue to sauté for an additional minute.

Make the Cream Sauce

  • Lower the heat and stir in the heavy cream, Dijon mustard, nutmeg, salt, and pepper.
  • Let this mixture simmer for about 2-3 minutes before removing it from the heat.

Layer the Dish

  • Preheat your oven to 200°C (400°F), and grease a baking dish.
  • Begin layering your zucchini slices, spooning over the creamy sauce, and scattering cheese generously throughout. Repeat for 2-3 layers.

Top & Bake

  • Finish off with the remaining cheese and a touch of extra Parmesan on top.
  • Bake the gratin uncovered for 25-30 minutes until golden and bubbling.

Garnish & Serve

  • Allow your creation to cool slightly, then sprinkle with the freshly chopped herbs.
  • Serve warm and enjoy.

Notes

Consider swapping heavy cream for a lighter option. This gratin is feta-free by default, avoiding any low-quality cheese for the best flavors. Allow it to rest before serving for improved presentation.