Pasta al Limone

Bahan-bahan (4 porsi)

• 8 ounces dried whole wheat spaghetti or similar long noodles (such as fettuccine)
• 3 tablespoons butter
• 2 cloves garlic (minced)
• 1 medium lemon (plus additional for serving)
• 1/2 cup finely grated Parmesan cheese (about 1 1/2 ounces, plus additional for serving)
• Kosher salt
• Freshly ground black pepper