This Easy Sheet-Pan Asparagus Tart Isn't Just Pretty—It's Also Delicious

Name: This Easy Sheet-Pan Asparagus Tart Isn't Just Pretty—It's Also Delicious
Prep time: 55 min
Cook time: 15 min
Total time: 70 min
Yield: 8
Ingredients: 2 tablespoons (30ml) extra-virgin olive oil; 1 tablespoon fresh thyme leaves, plus more for garnish; 1/2 teaspoon grated lemon zest (from 1 lemon), plus more for garnish; 1/4 teaspoon kosher salt; 1 pound (460g) thin asparagus, ends trimmed and cut diagonally into 3-inch pieces (about 3 cups); see notes; 2 ounces (58g) soft fresh goat cheese, crumbled (1/2 cup); One 8.6-ounce (.245g) sheet puff pastry, thawed if frozen (from one 17.3-ounce package.); All-purpose flour, for dusting; 1 large egg beaten with 1 tablespoon (15ml) tap water; Flaky sea salt; Cracked black pepper