Boil the Pasta: Bring a large pot of salted water to a boil, add pasta, and cook according to package instructions until al dente. Drain and return to the pot off the heat.

Cool the Pasta: Drizzle olive oil over the warm pasta and add ice cubes to cool it quickly.

Prepare the Dressing: In a blender, combine avocado, garlic, fresh herbs, and vinegar. Blend until smooth, adjusting taste as necessary.

Combine Ingredients: Add the dressing to the cooled pasta with spinach and any crunchy extras. Toss thoroughly.

Garnish and Serve: Slice green onions and sprinkle over the salad before serving.