01 -
Cook fettuccine until al dente according to package instructions. Drain and reserve 3 tablespoons of pasta water. Set pasta aside.
02 -
Trim dark green parts and root ends from leeks. Rinse well and slice white parts into thin half circles. Set aside.
03 -
Cut chicken breasts in half widthwise to create thinner fillets. Season both sides generously with lemon pepper seasoning.
04 -
Heat vegetable oil in a medium pan over medium heat. Cook chicken until golden and internal temperature reaches 165°F (74°C). Remove from pan and set aside.
05 -
Add unsalted butter to the same pan. Stir in sliced leeks and cook until golden and tender, seasoning lightly with salt.
06 -
Add reserved pasta water, chicken stock, and fresh lemon juice to the pan. Stir well, then incorporate 2-3 teaspoons lemon pepper seasoning. Adjust salt to taste.
07 -
Stir cooked pasta into the sauce and cook for approximately 5 minutes, tossing frequently to ensure even coating.
08 -
Slice chicken and either fold into the pasta or serve atop. Garnish with freshly grated Parmesan cheese and diced green onions. Serve immediately.