01 -
Chop broccoli florets and steam over boiling water until vibrant green and just tender, about 3 to 4 minutes. Avoid overcooking to maintain texture. Drain and rinse with cold water to halt cooking, then set aside.
02 -
Add peeled, chopped potatoes and carrots to a large pot of boiling water and cook for 15 minutes. Add cashews and continue simmering for 3 to 4 minutes, until vegetables are fork-tender. Strain the mixture, reserving the cooking water.
03 -
Combine the cooked potatoes, carrots, cashews, 1/2 cup of reserved cooking water, nutritional yeast, garlic powder, onion powder, lemon juice, salt, and cayenne (if using) in a high-speed blender with a vented lid. Blend until smooth, adjusting with additional cooking water for a creamy texture.
04 -
Boil water in a separate large pot. Cook pasta according to package instructions until al dente. Drain thoroughly and return to the pot.
05 -
Stir the warm sauce into the cooked pasta and fold in the broccoli. If necessary, reheat gently over medium-low heat, stirring regularly, until heated through. Serve immediately.