Linguine with Shrimp Scampi

INGREDIENTS

• Vegetable oil
• 1/4 lemon, thinly sliced in half-rounds
• 1/3 cup chopped fresh parsley leaves
• 1/2 lemon, zest grated
• 1 pound large shrimp (about 16 shrimp), peeled and deveined
• 1/8 teaspoon hot red pepper flakes
• 1/4 teaspoon freshly ground black pepper
• 3/4 pound linguine
• 2 1/2 tablespoons good olive oil
• 1 1/2 tablespoons minced garlic (4 cloves)
• 3 tablespoons unsalted butter
• 1/4 cup freshly squeezed lemon juice (2 lemons)
• 1 tablespoon kosher salt plus 1 1/2 teaspoons