Cook the 10 ounces whole-wheat spaghetti in salted water according to package directions. Reserve 1/4 cup of the cooking water.
While the pasta is cooking, make the sauce. Place the 1 ripe avocado, 1 cup fresh spinach leaves, 1/2 teaspoon minced garlic, 1 tablespoon olive oil, 1 tablespoon lemon juice, 1/2 teaspoon salt, and 1/4 teaspoon pepper in a food processor.
Blend, adding the cooking water 1 tablespoon at a time until the sauce is smooth and of the desired consistency. Taste and add more salt and pepper to taste if necessary.
Toss the pasta with the sauce. Top with 1 and 1/2 cups cherry tomatoes, 2 tablespoons toasted pine nuts, and 2 tablespoons chopped fresh parsley then serve immediately.
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Notes
Use any pasta of your choice.
Pine nuts are optional if you don't have any.
Allow the pasta to cool completely before mixing it with the sauce.
Don't forget to reserve some pasta water. If you do, don't sweat it, you can use water instead.