- Cook pasta according to package instructions, but reduce cooking time by 2 minutes. Drain and set aside.
- Heat half the butter over medium heat in the same saucepan. Add onion and cook, stirring for 5 to 8 minutes, or until tender. Sprinkle evenly with flour. Cook for 2 minutes. Slowly whisk in milk until smooth. While stirring constantly, bring to a boil. Cook, stirring frequently, for 10 to 12 minutes or until sauce thickens slightly. Stir in cheese and cooked macaroni.
- Season chicken with salt and pepper. Heat remaining butter in skillet over medium heat. Cook chicken for 10 to 12 minutes or until browned all over and cooked through.
- Divide pasta evenly onto 12 plates. Top each serving with some chicken and garnish with chives.
You can freeze leftover servings for quick, nutritious, heat-up meals.
Pasta is excellent for athletes because of its carbohydrate content. The chicken and cheese add protein making this the ideal post-training meal.