Start by cooking the fettuccine according to package instructions. Drain and set aside.
In a blender, add the ripe avocado, coconut milk, minced garlic, nutritional yeast, olive oil, lemon juice, salt, and pepper. Blend until smooth and creamy, adjusting seasoning to taste.
In a large pan over medium heat, add the sliced chicken and pour the avocado sauce over it. Heat the mixture gently, stirring until the chicken is warmed through and coated in the sauce.
Add the cooked fettuccine to the pan, tossing everything together until the pasta is well coated with the creamy sauce.
Serve immediately, garnishing with fresh basil for a delightful finish.
Notes
Adjust seasoning to taste and serve immediately for best results.