This Vegetable Tian recipe brings a combination of fresh zucchini, potatoes, tomatoes, and onions, perfectly seasoned and baked with Parmesan cheese. It’s a healthy and vibrant side dish that adds flavor and elegance to any meal. Made with simple ingredients, this recipe is ideal for family dinners, holidays, or meal prep. Pair it with grilled meats or serve it as a vegetarian main course.

Ingredients
- 1 medium yellow onion
- 2 large cloves garlic, pressed
- 2 medium zucchinis
- 3 roma tomatoes
- 2-3 russet potatoes (depending on size)
- 1/2 tsp salt
- 1/2 tsp freshly ground black pepper
- 1 tbsp thyme
- 1 tbsp dill (fresh or frozen, or 1/2 tbsp dried dill)
- 1/2 cup freshly grated Parmesan cheese
- 2 tbsp mild olive oil (2 tbsp for onion mix, 2 tbsp for seasoning mix)
Instructions
- Preheat the oven to 375°F (190°C).
- Prepare the vegetables: Slice the zucchini and tomatoes into 1/4-inch thick slices. Peel and slice the potatoes. Chop the onion and peel the garlic.
- Cook the onions and garlic: Heat 2 tbsp olive oil in a skillet over medium heat. Add the chopped onion and sauté for about 5 minutes, or until the onions are soft, translucent, and lightly browned. Add the pressed garlic and cook for another 2 minutes until fragrant. Remove from heat and transfer the mixture into a baking dish.
- Prepare the seasoning mix: In a small bowl, combine 1/2 tsp salt, 1/2 tsp freshly ground black pepper, 1 tbsp thyme, 1 tbsp fresh or frozen dill (or 3/4 tbsp dried dill), and 2 tbsp olive oil.
- Season the vegetables: Place the sliced potatoes and zucchini into a large bowl. Pour the seasoning mix over the vegetables and toss well to coat evenly.
- Assemble the tian: In the baking dish with the sautéed onion and garlic, arrange the vegetables in alternating layers, placing the potatoes, tomatoes, and zucchini together in a visually appealing pattern.
- Bake: Cover the baking dish with foil and bake for 35 minutes at 375°F.
- Add Parmesan: Remove the foil, sprinkle 1/2 cup grated Parmesan cheese over the vegetables, and continue baking for an additional 30 minutes, or until the vegetables are tender and the cheese is golden brown.
Why You’ll Love This Recipe
- Simple and Healthy: Made with fresh vegetables and flavorful herbs, this Vegetable Tian is both nutritious and delicious.
- Vegetarian-Friendly: A great option for those following a vegetarian or plant-based diet.
- Versatile: This dish pairs well with a wide range of main courses, from grilled meats to pasta dishes.
- Great for Meal Prep: It reheats well, making it a perfect dish for leftovers.

Tips
- Slice Evenly: Try to slice the vegetables evenly for uniform cooking and a neat presentation.
- Use Fresh Herbs: Fresh thyme and dill provide the best flavor, but dried herbs can also be used in a pinch.
- Customize the Vegetables: Feel free to add other vegetables like bell peppers, eggplant, or sweet potatoes for a twist.
- Add More Cheese: For a richer flavor, you can add extra Parmesan or even a blend of cheeses like mozzarella or Gruyère.
Variations and Substitutions
- Different Herbs: You can experiment with rosemary, basil, or oregano instead of thyme and dill for a different flavor profile.
- Cheese Options: Swap Parmesan for Gruyère, mozzarella, or goat cheese for a different taste.
- Add Protein: For a heartier meal, add cooked chicken or sausage to the layers of vegetables.
FAQs
- Can I use other types of potatoes? Yes, you can use other potatoes like sweet potatoes, red potatoes, or even Yukon Gold potatoes.
- Can I make this ahead of time? Yes, you can prepare the dish up to the baking step, cover it, and refrigerate for up to a day before baking.
- Can I freeze this dish? While freezing is possible, the texture of the vegetables might change. It’s best served fresh or refrigerated for leftovers.
Serving and Suggestions
- Pair with Grilled Meats: This Vegetable Tian is a great side dish to serve with grilled meats like chicken, steak, or lamb.
- For a Light Meal: Serve it with a simple green salad and a loaf of crusty bread for a light yet satisfying meal.
- Perfect for Holidays: This dish is elegant enough to serve during holidays or family gatherings, adding a touch of sophistication to any table.
Vegetable Tian Recipe
4
servings20
minutes1
hour5
minutesIngredients
1 medium yellow onion
2 large cloves garlic, pressed
2 medium zucchinis
3 roma tomatoes
2-3 russet potatoes (depending on size)
1/2 tsp salt
1/2 tsp freshly ground black pepper
1 tbsp thyme
1 tbsp dill (fresh or frozen, or 1/2 tbsp dried dill)
1/2 cup freshly grated Parmesan cheese
2 tbsp mild olive oil (2 tbsp for onion mix, 2 tbsp for seasoning mix)
Directions
- Preheat the oven to 375°F (190°C).
- Prepare the vegetables: Slice the zucchini and tomatoes into 1/4-inch thick slices. Peel and slice the potatoes. Chop the onion and peel the garlic.
- Cook the onions and garlic: Heat 2 tbsp olive oil in a skillet over medium heat. Add the chopped onion and sauté for about 5 minutes, or until the onions are soft, translucent, and lightly browned. Add the pressed garlic and cook for another 2 minutes until fragrant. Remove from heat and transfer the mixture into a baking dish.
- Prepare the seasoning mix: In a small bowl, combine 1/2 tsp salt, 1/2 tsp freshly ground black pepper, 1 tbsp thyme, 1 tbsp fresh or frozen dill (or 3/4 tbsp dried dill), and 2 tbsp olive oil.
- Season the vegetables: Place the sliced potatoes and zucchini into a large bowl. Pour the seasoning mix over the vegetables and toss well to coat evenly.
- Assemble the tian: In the baking dish with the sautéed onion and garlic, arrange the vegetables in alternating layers, placing the potatoes, tomatoes, and zucchini together in a visually appealing pattern.
- Bake: Cover the baking dish with foil and bake for 35 minutes at 375°F.
- Add Parmesan: Remove the foil, sprinkle 1/2 cup grated Parmesan cheese over the vegetables, and continue baking for an additional 30 minutes, or until the vegetables are tender and the cheese is golden brown.


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