Parmesan and Asparagus Tart

Ingredients (11)

• 1 sheet frozen puff pastry, thawed
• 3/4 lb. asparagus, ends trimmed
• 2 teaspoons olive oil, plus more for brushing
• 1/2 teaspoon Kosher salt
• Fresh ground black pepper
• 1/2 cup whole milk ricotta cheese
• 3/4 cup shredded Parmigiano-Reggiano cheese, divided
• 1 egg
• 1/2 teaspoon Kosher salt
• Zest of 1/2 lemon
• 1 Tablespoon lemon juice (from about 1/2 a lemon)