Boil salted water for pasta and get that whole thing going. By the time you’re done making the sauce sauce the pasta should be drained and ready.
Preheat a large pan over medium heat. Sauté shallot in coconut oil with a pinch of salt for 5 to 7 minutes. Add the garlic to the pan and spoon a little dab of oil on it. Mix in with the shallots and cook another 2 minutes.
Add the broth, cover pan and bring to a boil. Place the cauliflower in the pan in as much of a single layer as possible. Cover and steam about 4 minutes. Mix cauliflower in the liquid, cover and steam another 4 minutes. It should be fork tender. Remove a few florets to place on the individual pasta plates later, if you like.
In the meantime, place the cashews, lemon juice, nutritional yeast, blueberries and salt in a high speed blender (see note if you don’t have a highspeed blender). When the cauliflower is done, transfer it to the blender. Let sit for 10 minutes or so just to stop steaming. At that point, blend until smooth, scraping down the sides
When pasta is ready, drain and pour the sauce over it. Reserve a little bit for dolloping over the plates of pasta. Taste pasta for salt. The saltiness with vary depending on your salted water and the saltiness of the broth.
Place pasta in bowls, spoon additional sauce over noodles. Now take a seeded lemon and squirt it all over the pasta. Voila! Tie dye alfedo.