Rustic Baked Vegetable Gratin

A cozy, oven-baked dish layered with tender vegetables, herbs, and a golden cheesy crust—perfect as a hearty side or a comforting light main.

This Rustic Baked Vegetable Gratin is simple, nourishing, and endlessly customizable. Creamy on the inside, crisp on top, and packed with garden-fresh flavor.

⏱️ Time & Yield

• Prep Time: 20 minutes
• Bake Time: 45–55 minutes
• Total Time: ~1 hour 15 minutes
• Servings: 4–6

🧾 Ingredients

Vegetables

• 2 medium potatoes, thinly sliced
• 1 medium zucchini, thinly sliced
• 1 medium yellow squash or carrot, thinly sliced
• 1 small onion, thinly sliced
• 2 cloves garlic, minced

Creamy Layer

• 1 cup heavy cream (or half-and-half)
• ½ cup milk (any kind)
• 1 tsp salt
• ½ tsp black pepper
• ½ tsp dried thyme or Italian seasoning
• Pinch of nutmeg (optional but classic)

Cheesy Topping

• 1 cup shredded cheese (Gruyère, mozzarella, cheddar, or a mix)
• ¼ cup grated Parmesan
• 2 tbsp breadcrumbs (optional, for extra crunch)

For the Dish

• 1 tbsp olive oil or butter (for greasing)
• Fresh herbs for garnish (parsley or thyme)

👩‍🍳 Instructions (Step-by-Step)

1️⃣ Prep the Oven & Dish

• Preheat oven to 190°C / 375°F
• Grease a baking dish with olive oil or butter

2️⃣ Mix the Cream Base

In a bowl, whisk together:

• Cream
• Milk
• Salt, pepper
• Thyme
• Nutmeg (if using)

3️⃣ Layer the Vegetables

1. Arrange potatoes in an even layer at the bottom.
2. Add zucchini, squash/carrots, onion, and garlic.
3. Repeat layers until all vegetables are used.
4. Pour cream mixture evenly over everything.

4️⃣ Add the Topping

• Sprinkle shredded cheese evenly
• Add Parmesan and breadcrumbs (if using)

5️⃣ Bake

• Cover loosely with foil and bake 30 minutes
• Remove foil and bake 15–25 minutes more, until golden and bubbling
• Rest 10 minutes before serving

🌿 Nutrition Information (Approx. per serving)

• Calories: 320–360
• Carbohydrates: 28 g
• Protein: 12 g
• Fat: 20 g
• Fiber: 4 g

🥜 Nut & Allergen Information

• Nut-Free: Yes
• Contains Dairy: Yes (cream, cheese)
• Gluten-Free: Yes (omit breadcrumbs or use GF crumbs)
• Egg-Free: Yes

⚠️ Always check cheese labels if cooking for allergies.

 Q & A (Frequently Asked Questions)

Q1: Can I make this ahead of time?

Yes. Assemble up to 24 hours ahead, cover, refrigerate, and bake when needed.

Q2: Can I make it lighter?

Absolutely. Use low-fat milk, reduce cheese, or swap cream for evaporated milk.

Q3: How do I make it vegan?

Use plant-based cream, dairy-free cheese, and olive oil instead of butter.

Q4: Why are my potatoes still firm?

Slices may be too thick—aim for very thin slices (mandoline works great).

Q5: Can I add protein?

Yes! Add cooked lentils, mushrooms, or shredded chicken between layers.

⭐ Pro Tips

• Slice vegetables evenly for uniform cooking
• Let it rest before cutting—it firms up beautifully
• Add a pinch of chili flakes for gentle heat

• Author
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Sara Mitchell

Sara Mitchell is an expert restaurant content creator who writes easy-to-read guides about CAVA and other Mediterranean fast-casual chains in the United States. She covers locations, menus, prices, and hours, making it simple for visitors to find nearby restaurants and what to order quickly.

With years of experience in restaurant research and local SEO, Sara creates accurate, user-friendly guides that work for both people and search engines. Her goal is to help users go from search results to their nearest restaurant or menu choice with as few clicks as possible.

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