Cook pasta via package instructions, adding kale and cherry tomatoes a minute before the pasta is finished.
Drain pasta, reserving 1/2 cup cooking water, and return pasta, kale, and tomatoes to pot.
In a high-speed blender or food processor, blend roasted red pepper, hummus, nutritional yeast, seasonings, and cooking water together until creamy.
Pour sauce over pasta, kale, and tomatoes, Toss to coat. Season with black pepper.