Tuscan Zucchini Scarpaccia: The Crispy Summer Tart

Discover the secret of Tuscany: Zucchini Scarpaccia. This traditional vegetable tart is famous for its impossibly thin, crispy profile that puts ordinary flatbreads to shame.

By utilizing the natural water released from salted zucchini, you create a lacy, flavorful batter that bakes into a delightful, wafer-like snack. It is the ultimate way to embrace fresh summer produce with minimal effort and maximum crunch, perfect for any gathering or a simple afternoon treat.

Zucchini Scarpaccia is a rustic Italian specialty that transforms simple ingredients into a sophisticated appetizer. Unlike heavy quiches or deep-dish tarts, this recipe focuses on achieving a paper-thin layer that crisps up beautifully in a hot oven.

The combination of sweet zucchini, aromatic white onion, and nutty Parmesan cheese creates a balanced flavor profile that highlights the freshness of the vegetables. It is a testament to the Italian philosophy of using humble components to create something truly exceptional, providing a satisfyingly crunchy texture that is addictive and light.

Ingredients

Why this recipe works

The method of salting the zucchini is the core of this recipe's success. By drawing out the vegetable's moisture, you create a natural, flavorful liquid that replaces water in the batter. This ensures that every bite is infused with the essence of the zucchini, while the starch from the flour and the structure of the cornmeal allow the tart to crisp up into a thin, lacy sheet rather than a soft, soggy mess.

Using a high oven temperature is essential for the transformation of the batter. A 425°F (220°C) environment flash-cooks the thin layer, allowing the edges to blister and caramelize into dark, golden crisps while the center remains firm.

This rapid cooking process preserves the vibrant flavor of the vegetables and creates the iconic wafer-like texture that distinguishes a true Tuscan Scarpaccia from other vegetable bakes or thin-crust snacks.

Notes and substitutions

Choosing the right ingredients is vital for the success of this tart. Use fresh, firm zucchini and a high-quality, aged Parmigiano-Reggiano for the best flavor. Fine cornmeal is preferred over coarse polenta to ensure the texture remains delicate and smooth rather than gritty. If you cannot find zucchini blossoms, feel free to skip them or substitute with thinly sliced fresh herbs for a similar aromatic finish.

For equipment, a mandoline slicer is highly recommended to achieve the 1mm thickness required for the zucchini coins. Uniform slices are the key to even cooking, ensuring that some pieces do not burn while others remain raw.

A large, sturdy baking sheet is also necessary to accommodate the thin batter layer. Always ensure the pan is well-oiled to prevent sticking and to assist in the frying effect that makes the bottom of the tart so deliciously crispy.

• Parmigiano-Reggiano: Pecorino Romano or a similar hard, aged Italian sheep's milk cheese.
• Sweet white onion: Yellow onion or shallots for a slightly sharper flavor profile.

Equipment

• pizza wheel
• mandoline slicer
• large mixing bowl
• whisk
• baking sheet pan