Follow these step-by-step instructions to create your creamy avocado chicken pasta:

1. Cook the Pasta:
   Begin by cooking the pasta according to the package instructions. Once cooked, drain the pasta and set it aside. This will be the base of your dish.
2. Prepare the Sauce:
   In a blender, combine the ripe avocado, Greek yogurt, minced garlic, olive oil, lemon juice, salt, and pepper. Blend the mixture until it becomes smooth and creamy. This sauce is the heart of the dish, providing a rich, tangy flavor.
3. Combine Ingredients:
   In a large bowl, mix the cooked pasta, shredded chicken, and the creamy avocado sauce. Stir until the ingredients are well combined, ensuring each piece of pasta is coated with the sauce.
4. Garnish and Serve:
   Once mixed, garnish with fresh basil or parsley. This adds a touch of color and an extra layer of flavor. Serve immediately and enjoy your creamy avocado chicken pasta!