Vegan Savory Onion & Cheese Tart
Vegan Savory Onion & Cheese Tart
Crispy crust, melty dairy-free cheese, and sweet caramelized onions — pure comfort food
If you’re looking for a show-stopping vegan main dish that feels cozy, elegant, and incredibly satisfying, this Vegan Savory Onion & Cheese Tart is it. 🌱✨
With a crisp crust, a rich savory filling, and golden caramelized onions on top, this tart is perfect for weeknight dinners, brunch, holidays, or entertaining.
It’s the kind of recipe that looks fancy but is surprisingly easy — and yes, everyone will ask for seconds.
🛒 Ingredients
🥧 Tart Crust
- 1 ½ cups all-purpose flour
- ½ tsp salt
- ½ cup cold vegan butter, cubed
- 3–4 tbsp cold water
(Or use a store-bought vegan pie crust for convenience)
🧅 Onion Filling
- 2 large onions, thinly sliced
- 1 tbsp olive oil
- ½ tsp salt
- ½ tsp sugar (optional, helps caramelization)
- 2 cloves garlic, minced
🧀 Savory “Cheese” Layer
- 1 cup dairy-free shredded cheese (mozzarella or cheddar-style)
- ½ cup unsweetened plant milk
- 2 tbsp nutritional yeast
- 1 tbsp cornstarch
- ½ tsp Dijon mustard
- ¼ tsp black pepper
- Optional: pinch of turmeric for color
👩🍳 How to Make Vegan Onion & Cheese Tart
1️⃣ Prepare the Crust
Mix flour and salt. Cut in vegan butter until crumbly.
Add cold water gradually and form a dough. Chill 30 minutes.
Roll out, press into a tart pan, prick the base, and blind bake at 375°F (190°C) for 12–15 minutes until lightly golden.
2️⃣ Caramelize the Onions
Heat olive oil in a pan over medium-low heat.
Add onions, salt, and sugar. Cook slowly 20–25 minutes, stirring often, until soft, golden, and sweet.
Add garlic and cook 1 more minute.
3️⃣ Make the Savory Filling
Whisk plant milk, nutritional yeast, cornstarch, mustard, pepper, and turmeric.
Stir in shredded vegan cheese.
4️⃣ Assemble the Tart
Spread onion mixture over the crust.
Pour cheese mixture evenly on top.
Add extra onion rings if desired.
5️⃣ Bake
Bake at 375°F (190°C) for 30–35 minutes, until set and golden on top.
Cool slightly before slicing.
🍽 Serving Suggestions
- Serve with a fresh green salad
- Perfect alongside roasted veggies or soup
- Great for brunch with fruit and vegan yogurt
🌱 Variations & Add-Ins
- Add sautéed mushrooms or spinach
- Use gluten-free crust if needed
- Sprinkle fresh thyme or rosemary for extra flavor
- Swap onions for leeks or shallots
🧊 Storage Tips
- Refrigerator: Up to 4 days
- Reheat: Oven or air fryer for best texture
- Delicious even cold the next day!
