Simple Pasta with Leeks and Scallops

INGREDIENTS

• 1/2 pound linguine
• 2 tablespoons butter
• Salt and fresh ground pepper
• 1/4 cup freshly grated Parmesan
• 1 teaspoon lemon zest
• 1/2 pound sea scallops, with the muscle removed
• 1/3 cup white wine
• 1 tablespoon olive oil
• 2 medium leeks, washed and thinly sliced (the white and light green parts only)
• 1 tablespoon chopped flat leaf parsley