Gluten-free caramelised onion and thyme tarts

These gluten-free caramelised onion and thyme tarts feature a buttery pastry filled with creamy ricotta, sweet caramelised onions, and fragrant thyme, ideal for brunch or an elegant appetizer. The tarts are easy to make and deliver a delicious balance of sweet and savoury flavours.

09 Dec 2025
Cook time 40 min
Prep time 60 min

Ingredients:

1 egg
1 cup ricotta cheese
1/2 cup butter
2 onions
2 tbsp vinegar
1 tsp fresh thyme
2 cups all-purpose white wheat flour
1 tbsp water
Gluten-free caramelised onion and thyme tarts

These gluten-free caramelised onion and thyme tarts are a delightful combination of sweet, savoury, and aromatic flavours. Perfect for a cozy brunch or as an elegant appetizer, this recipe uses a blend of rich ricotta cheese and buttery pastry, complemented by the sweetness of caramelised onions and the fresh scent of thyme.

Instructions:

1. Prepare the Pastry:
- In a large bowl, combine the gluten-free flour and butter. Use your fingers or a pastry cutter to blend until the mixture resembles coarse breadcrumbs.
- Beat the egg and add it to the flour mixture. Mix thoroughly until the dough starts to come together.
- If the dough feels too dry, add a tablespoon of water and mix again until it forms a cohesive dough.
- Shape the dough into a ball, wrap it in plastic wrap, and refrigerate for at least 30 minutes to allow it to firm up.
2. Caramelize the Onions:
- While the dough is chilling, peel and thinly slice the onions.
- Heat a skillet over medium heat and add a small amount of butter or oil.
- Add the onions to the skillet and cook slowly, stirring occasionally, for about 15-20 minutes or until they become golden brown and caramelized.
- Add the vinegar and fresh thyme to the skillet, stir well, and cook for an additional 2-3 minutes until the liquid is mostly evaporated. Remove from heat and set aside.
3. Prepare the Ricotta Filling:
- In a medium bowl, combine the ricotta cheese with a pinch of salt and freshly ground black pepper. Mix until smooth and well combined.
4. Assemble the Tarts:
- Preheat your oven to 350°F (175°C).
- Remove the dough from the refrigerator and roll it out on a lightly floured surface to about 1/4 inch thickness.
- Cut the dough into small circles using a cookie cutter or the rim of a glass, slightly larger than your tart pans or muffin tin cups.
- Press the dough circles into the tart pans or muffin tin cups, ensuring they cover the bottom and sides evenly.
5. Fill the Tarts:
- Spoon a small amount of the ricotta mixture into each tart shell, spreading it evenly.
- Top the ricotta mixture with a spoonful of caramelized onions.
6. Bake:
- Place the filled tart pans or muffin tin in the preheated oven and bake for 20-25 minutes, or until the pastry is golden brown and the filling is set.
7. Serve:
- Allow the tarts to cool slightly before removing them from the pans.
- Garnish with additional fresh thyme if desired.
- Serve warm or at room temperature.

Once baked to golden perfection, these gluten-free caramelised onion and thyme tarts offer a deliciously flaky pastry with a rich, savory filling. They are perfect for serving at gatherings or enjoying as a special treat. Whether you’re gluten-sensitive or simply love flavorful dishes, these tarts are sure to impress.

Gluten-free caramelised onion and thyme tarts FAQ:

How long do I need to bake these tarts?

Bake the tart pans or muffin tins in a preheated oven at 350°F (175°C) for 20-25 minutes, or until the pastry is golden brown and the filling is set.

What is the best way to store leftover tarts?

Store leftover tarts in an airtight container in the refrigerator for up to 3 days. They can be reheated in the oven for best results.

Can I substitute the ricotta cheese in this recipe?

Yes, you can substitute ricotta cheese with cottage cheese or cream cheese, but this may slightly alter the taste and texture.

What type of gluten-free flour can I use for the pastry?

You can use a gluten-free all-purpose flour blend. Make sure it includes xanthan gum for better texture, or add it separately if needed.

How can I tell when the onions are caramelized?

The onions are ready when they are golden brown and have a sweet aroma, which typically takes about 15-20 minutes of cooking on medium heat.

Cooking Tips:

- Ensure all your ingredients are gluten-free, particularly the all-purpose flour.

- Caramelise the onions slowly on low heat for the best depth of flavor.

- Chill the dough for at least 30 minutes before rolling it out to make it easier to handle.

- Use a fork to prick the pastry base before adding the filling to prevent it from puffing up during baking.

- For a twist, add a sprinkle of grated parmesan cheese on top of the tarts before baking.

Nutrition Facts

16 Servings
Calories 140kcal
Protein 4.14g
Carbohydrates 14g
Fiber 0.89g
Sugar 1.30g
Fat 7g

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