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Tomato and Mozzarella Tart with Prosciutto

By America's Test Kitchen

Published on August 22, 2007

Time

1½ hours, plus 30 minutes standing

Yield

Serves 6 to 8

Tomato and Mozzarella Tart with Prosciutto

Ingredients

unbleached all-purpose flour for work surface1 box frozen puff pastry (Pepperidge Farm, 1.1 pound), thawed in box in refigerator overnight1 large egg, beaten2 ounces (57 grams) grated Parmesan cheese (about 1 cup)1 pound (454 grams) plum tomatoes (about 3 to 4 medium), cored and cut crosswise into ¼-inch-thick slicestable salt 2 medium cloves garlic, minced or pressed through garlic press (about 2 teaspoons)2 tablespoons extra-virgin olive oil Ground black pepper 8 ounces (227 grams) whole-milk mozzarella cheese, shredded (2 cups)2 ounces (57 grams) prosciutto, thinly sliced2 tablespoons chopped fresh basil

Before You Begin

Thawing the frozen puff pastry in the refrigerator overnight will help prevent cracking while unfolding it. Be sure to use a low-moisture supermarket mozzarella sold in block form, not fresh water-packed mozzarella. If you prefer to do some advanced preparation, the tart shell can be prebaked through step 1, cooled to room temperature, wrapped in plastic wrap, and kept at room temperature for up to two days before being topped and baked with the mozzarella and tomatoes.

Instructions

  1. Adjust oven rack to lower-middle position and heat oven to 425 degrees. Dust work surface with flour and unfold both pieces puff pastry onto work surface. Following illustrations below, form 1 large sheet with border, using beaten egg as directed. Sprinkle Parmesan evenly over shell; using fork, uniformly and thoroughly poke holes in shell. Bake 13 to 15 minutes, then reduce oven temperature to 350 degrees; continue to bake until golden brown and crisp, 13 to 15 minutes longer. Transfer to wire rack; increase oven temperature to 425 degrees.
  2. While shell bakes, place tomato slices in single layer on double layer paper towels and sprinkle evenly with 1/2 teaspoon salt; let stand 30 minutes. Place second double layer paper towels on top of tomatoes and press firmly to dry tomatoes. Combine garlic, olive oil, and pinch each salt and pepper in small bowl; set aside.
  3. Sprinkle mozzarella evenly over warm (or cool, if made ahead) baked shell. Arrange prosciutto in single layer on top of mozzarella. Shingle tomato slices widthwise on top of prosciutto (about 4 slices per row); brush tomatoes with garlic oil. Bake until shell is deep golden brown and cheese is melted, 15 to 17 minutes. Cool on wire rack 5 minutes, sprinkle with basil, slide onto cutting board or serving platter, cut into pieces, and serve.

Tomato and Mozzarella Tart with Prosciutto

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By America's Test Kitchen
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Time

1½ hours, plus 30 minutes standing

Yield

Serves 6 to 8

Ingredients

unbleached all-purpose flour for work surface
1 box frozen puff pastry (Pepperidge Farm, 1.1 pound), thawed in box in refigerator overnight
1 large egg, beaten
2 ounces (57 grams) grated Parmesan cheese (about 1 cup)
1 pound (454 grams) plum tomatoes (about 3 to 4 medium), cored and cut crosswise into ¼-inch-thick slices
table salt
2 medium cloves garlic, minced or pressed through garlic press (about 2 teaspoons)
2 tablespoons extra-virgin olive oil
Ground black pepper
8 ounces (227 grams) whole-milk mozzarella cheese, shredded (2 cups)
2 ounces (57 grams) prosciutto, thinly sliced
2 tablespoons chopped fresh basil

Test Kitchen Techniques

Ingredients

unbleached all-purpose flour for work surface
1 box frozen puff pastry (Pepperidge Farm, 1.1 pound), thawed in box in refigerator overnight
1 large egg, beaten
2 ounces (57 grams) grated Parmesan cheese (about 1 cup)
1 pound (454 grams) plum tomatoes (about 3 to 4 medium), cored and cut crosswise into ¼-inch-thick slices
table salt
2 medium cloves garlic, minced or pressed through garlic press (about 2 teaspoons)
2 tablespoons extra-virgin olive oil
Ground black pepper
8 ounces (227 grams) whole-milk mozzarella cheese, shredded (2 cups)
2 ounces (57 grams) prosciutto, thinly sliced
2 tablespoons chopped fresh basil

Test Kitchen Techniques

Ingredients

unbleached all-purpose flour for work surface
1 box frozen puff pastry (Pepperidge Farm, 1.1 pound), thawed in box in refigerator overnight
1 large egg, beaten
2 ounces (57 grams) grated Parmesan cheese (about 1 cup)
1 pound (454 grams) plum tomatoes (about 3 to 4 medium), cored and cut crosswise into ¼-inch-thick slices
table salt
2 medium cloves garlic, minced or pressed through garlic press (about 2 teaspoons)
2 tablespoons extra-virgin olive oil
Ground black pepper
8 ounces (227 grams) whole-milk mozzarella cheese, shredded (2 cups)
2 ounces (57 grams) prosciutto, thinly sliced
2 tablespoons chopped fresh basil

Test Kitchen Techniques

Why This Recipe Works

Tired of tomato tarts with soggy crusts and long preparation time, we developed a tomato tart recipe that would have a solid bottom crust and great vine-ripened flavor. Our secrets for a great tomato tart recipe? We used a two-step baking method for a flaky yet rigid crust, then "waterproofed" it with egg wash and layers of two kinds of cheese. We salted sliced tomatoes for 30 minutes to remove excess juice, then gently pressed them with paper towels. Baking the tart at 425 degrees quickly melted the cheese and preserved the tomatoes' meaty texture.

Before You Begin

Thawing the frozen puff pastry in the refrigerator overnight will help prevent cracking while unfolding it. Be sure to use a low-moisture supermarket mozzarella sold in block form, not fresh water-packed mozzarella. If you prefer to do some advanced preparation, the tart shell can be prebaked through step 1, cooled to room temperature, wrapped in plastic wrap, and kept at room temperature for up to two days before being topped and baked with the mozzarella and tomatoes.

Instructions

  1. Adjust oven rack to lower-middle position and heat oven to 425 degrees. Dust work surface with flour and unfold both pieces puff pastry onto work surface. Following illustrations below, form 1 large sheet with border, using beaten egg as directed. Sprinkle Parmesan evenly over shell; using fork, uniformly and thoroughly poke holes in shell. Bake 13 to 15 minutes, then reduce oven temperature to 350 degrees; continue to bake until golden brown and crisp, 13 to 15 minutes longer. Transfer to wire rack; increase oven temperature to 425 degrees.
  2. While shell bakes, place tomato slices in single layer on double layer paper towels and sprinkle evenly with 1/2 teaspoon salt; let stand 30 minutes. Place second double layer paper towels on top of tomatoes and press firmly to dry tomatoes. Combine garlic, olive oil, and pinch each salt and pepper in small bowl; set aside.
  3. Sprinkle mozzarella evenly over warm (or cool, if made ahead) baked shell. Arrange prosciutto in single layer on top of mozzarella. Shingle tomato slices widthwise on top of prosciutto (about 4 slices per row); brush tomatoes with garlic oil. Bake until shell is deep golden brown and cheese is melted, 15 to 17 minutes. Cool on wire rack 5 minutes, sprinkle with basil, slide onto cutting board or serving platter, cut into pieces, and serve.

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