Prep Time
15 Mins
Cook Time
50 Mins
Yield
4 to 6

How to Make It

Step 1

Preheat oven to 425°F. Season sliced tomatoes with 1/2 tsp. salt and pepper; set aside.

Step 2

Heat olive oil in a medium nonstick skillet over medium heat. Add sliced onions and water; cover and cook, stirring occasionally, until very soft, about 10 minutes. Uncover and then season with remaining salt. Cook until the onions are dry, about 5 minutes. Let cool.

Step 3

Unroll pie dough on one side of a large baking sheet. Spread 3/4 cup cheese evenly on dough, leaving a 1-inch border. Top with half of onion and half of tomato and then sprinkle 1/4 cup cheese on top. Fold border of dough partially over filling. Repeat with remaining piece of dough and other ingredients.

Step 4

Bake tarts until crusts are golden brown and flaky, about 50 minutes. Let cool for 5 minutes, then cut into large wedges and serve.

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