Caramelized Onion Tart recipe by Ela Vegan.

Vegan carmelized onion tart

By ElaVegan

Ela writes: “Homemade caramelized onion tart made with red onions, leek, and other healthy ingredients, this onion pie is called Zwiebelkuchen in Germany and it’s a traditional fall recipe.” We don’t care about that, do we? We want some now.

The dish is vegan, gluten-free, soy-free, easy to make, flavorful, and delicious. Naturally.


When we share a recipe here at Tuesday’s Horse we share the ingredients with you first, so you can see what you might need to shop for. Here they are:

Pie Crust:

1 cup + 1 tbsp (160 g) gluten-free flour (*see notes)
1/2 cup (60 g) almond flour (*see notes)
2 tbsp (2 tbsp) ground flax seeds or chia seeds
5 tbsp (5 tbsp) water
2 1/2 tbsp (30 g) coconut oil softened
1/3 tsp (1/3 tsp) sea salt

Onion Tart Filling:

3 medium-large (300 g) onions peeled and diced
2 medium (200 g) bell peppers diced
2 small (130 g) stalks of leek finely chopped
3 cloves (3 cloves) of garlic minced
3 tbsp (30 g) chickpea flour
1 heaped tbsp (10 g) cornstarch or arrowroot flour
1/3 cup (80 ml) water or vegetable broth
1 tsp (1 tsp) onion powder
3/4 tsp (3/4 tsp) sea salt or more/less to taste
1/2 tsp (1/2 tsp) paprika
1/2 tsp (1/2 tsp) cumin
Ground black pepper to taste
1/2 tbsp (1/2 tbsp) fresh thyme or 1/2 tsp dry
1 tbsp (1 tbsp) tamari or soy sauce (gluten-free if needed)
3/4 cup (180 ml) plant-based milk
7 oz (200 g) vegan cheese of choice (optional)
Fried onion rings on top (optional)


Go here for instructions. Ela Vegan’s step-by-step instructions are easy to follow and illustrated. If you scroll down a bit more, you will see that Ela has video instructions too. So head on over there!

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