Steam carrots, potatoes, and cashews in a saucepan for 15-20 minutes until tender. Blend with garlic, butter, almond milk, broth, seasonings, yeast, flour, and lemon juice until smooth.
Place cooked pasta in a large pot. Pour vegan cheese sauce over pasta and stir until well coated. The sauce may seem thin, but it will thicken as you stir.
Add more protein to this healthy vegan mac and cheese for a balanced and more satisfying meal! Chickpeas, lentils, crumbled tempeh, and black beans are some protein-packed add-ins you might love.