Cavatelli with Asparagus | Food Stuff

Ingredients

• 1 bunch asparagus, trimmed and thinly sliced (leave the tips whole)
• 1 large egg
• 2 cups all-purpose flour, plus more for dusting
• 2 tablespoons chopped fresh parsley
• 8 ounces fresh ricotta cheese (about 1 heaping cup)
• Grated zest and juice of 1 lemon
• Kosher salt
• 1/2 cup grated parmesan cheese (about 1 ounce), plus more for topping
• Freshly ground pepper
• 1 stick unsalted butter