Amalfi Calamari Pasta

INGREDIENTS

• 1 pound spaghetti
• 1 1/4 cups all purpose flour
• 2 cups olive oil
• 3 to 4 tablespoons fresh lemon juice
• 1 pound cleaned squid (bodies only), cut crosswise into 1/4-inch-thick rings
• 1/4 cup cornstarch
• 1 teaspoon coarse kosher salt
• 1/2 teaspoon baking powder
• 1/4 teaspoon cayenne pepper
• 1/4 cup (1/2 stick) unsalted butter, diced
• 1/2 cup chopped fresh italian parsley, divided
• Lemon wedges
• 2 cups canola oil