Torta tal-Karettun - The Best Tart Recipe You Need

Ever wished you had a go-to, dependable recipe that turns everyday vegetables into something truly special? Look no further! This isn't just any tart shell recipe; we're diving into the heart of Maltese home cooking with Torta tal-Karettun, a savory vegetable tart that's as charming as its name. Forget soggy bottoms and bland fillings – this is the best tart recipe you'll find for a vibrant, satisfying main course.
Torta tal-Karettun is a fantastic way to transform simple ingredients into a dish that feels both hearty and wholesome. It’s perfect for anyone who loves cooking with what they have, wants a reliable easy recipe to bake, or is just looking to explore delicious Mediterranean flavors. We'll guide you through making a perfectly crisp, homemade pastry tart shell and a rich, vitamin-packed vegetable and ricotta filling. Whether you're a beginner baker or a seasoned pro, get ready to master this incredibly rewarding dish. Let's make some magic!

Ingredients

• Oven: 375°F
• Shortcrust
• 1 1/4 cups (165g) all-purpose flour
• 1/2 tsp fine salt
• 8 tbsp (113g) cold unsalted butter, cubed
• 1 egg yolk
• 3–5 tbsp ice water, as needed
• Filling
• 2 tbsp olive oil
• 1 medium yellow onion, diced
• 2 cloves garlic, minced
• 1 small eggplant, diced (about 2 cups)
• 1 medium zucchini, diced (about 1 1/2 cups)
• 1 red bell pepper, diced (about 1 cup)
• 8 oz mushrooms, sliced
• 1 tbsp tomato paste
• 1 tbsp capers (or 2 tbsp chopped olives)
• 3 large eggs
• 3/4 cup (180g) ricotta
• 1/3 cup milk (or half-and-half)
• 1/2 cup grated Parmesan (or similar salty cheese)
• 2 tbsp chopped parsley (optional: 1 tbsp chopped mint)
• 3/4 tsp kosher salt, plus more to taste
• 1/2 tsp black pepper
• Pinch chili flakes (optional)

Directions

1. Make the dough: In a large bowl, whisk together the flour and fine salt. Add the cold, cubed butter and use your fingertips or a pastry blender to cut it into the flour until the mixture resembles coarse sand with a few pea-sized pieces of butter remaining. Stir in the egg yolk, then gradually drizzle in the ice water, 1 tablespoon at a time, mixing until the dough just comes together when you squeeze a piece. Be careful not to overmix! Form the dough into a flat disk, wrap it tightly in plastic, and chill in the refrigerator for at least 30 minutes.
2. Roll and line the pan: On a lightly floured surface, roll out the chilled dough into a circle about 12 inches in diameter and roughly 1/8-inch thick. Carefully transfer the dough to a 9-inch tart pan (one with a removable bottom is ideal). Gently press the dough into the bottom and up the sides of the pan, making sure it fits snugly into all the corners. Trim any excess dough from the edges. If you have any tears, simply patch them with extra dough. Chill the lined tart pan in the refrigerator for another 15 minutes.
3. Par-bake the crust: Preheat your oven to 375°F (190°C). Prick the base of the chilled tart crust all over with a fork (this is called docking and helps prevent puffing). Line the crust with parchment paper or foil, then fill it with pie weights, dried beans, or rice. Bake for 15 minutes. Carefully remove the weights and parchment/foil, then return the crust to the oven and bake for another 7–10 minutes, or until the base looks dry and is just starting to take on a very light golden color. This par-baking step is crucial for preventing a soggy bottom!
4. Cook the vegetables: While the crust bakes, heat the olive oil in a large skillet over medium heat. Add the diced onion and cook for about 5 minutes until it softens. Next, add the diced eggplant and bell pepper; continue to cook for 6–8 minutes, stirring occasionally. Then, stir in the diced zucchini and sliced mushrooms. Cook for another 5–7 minutes, or until all the vegetables are tender and most of their moisture has cooked off. Stir in the minced garlic for just 30 seconds until fragrant. Season the cooked vegetables generously with 3/4 tsp kosher salt, 1/2 tsp black pepper, and an optional pinch of chili flakes. Set aside to cool slightly.
5. Make the custard: In a medium bowl, whisk together the eggs, ricotta, milk (or half-and-half), grated Parmesan cheese, chopped parsley (and optional mint), and capers or chopped olives until well combined.
6. Assemble the tart: Once the par-baked crust is slightly cooled, whisk the tomato paste with 1 teaspoon of olive oil (or a splash of water) to make a thin paste. Brush a very thin layer of this mixture over the bottom of the warm, par-baked crust. This acts as an additional moisture barrier. Spoon the cooked, cooled vegetables evenly into the crust. Pour the prepared custard mixture over the vegetables, ensuring it fills all the gaps.
7. Bake and cool: Place the assembled tart in the preheated 375°F (190°C) oven and bake for 30–35 minutes. The tart is done when the center is set with only a slight jiggle remaining when gently shaken. The edges of the custard should be lightly golden. Remove the tart from the oven and let it cool on a wire rack for at least 15–20 minutes before slicing. This cooling time allows the custard to fully set, ensuring clean, beautiful slices.
8. Slice and serve: Once cooled, use a sharp knife to slice the tart. The removable bottom of the tart pan makes this much easier.