Name: Rustic Rosemary Potato Tart
Prep time: 20 min
Cook time: 40 min
Total time: 1 h 10 min
Yield: 4 servings
Cuisine: French
Ingredients: 1 sheet (about 230g or 8 oz) all-butter puff pastry or pie crust, thawed according to package directions; 450g (about 3 medium) Yukon Gold potatoes, peeled; 2 medium shallots (about 80g), peeled and thinly sliced into rings; 2 sprigs fresh rosemary, leaves finely chopped (about 1.5 tablespoons); 2 tablespoons (30ml) extra-virgin olive oil, plus more for drizzling; 50g (about 1/2 cup) Gruyère cheese, finely grated (optional, but recommended); 1 teaspoon (6g) Diamond Crystal kosher salt (or 1/2 teaspoon fine sea salt), plus more to taste; 1/4 teaspoon freshly ground black pepper, plus more to taste; 1 large egg, whisked with 1 teaspoon water (for egg wash); Flaky sea salt, for finishing

Magic Sous

Rustic Rosemary Potato Tart — Magic Sous