Prep: Soak cashews in water overnight (or in very hot water for 1 hour). Cook macaroni al dente. Meanwhile, broil jalapeno on top rack of oven until blackened, then remove skin, ribs, and seeds. Finally, add carrots and a few tablespoons of water to a microwave-safe dish. Cover with plastic wrap and microwave until fork tender, about 4 minutes. Drain water.
MacaroniTime: In a blender, combine cashews, de-seeded jalapeno, drained carrot, nutritional yeast, spices, garlic, and water to a blender. Blend until smooth. Combine with cooked macaroni.
Get Crispy (optional, but recommended): Transfer macaroni mixture to an oven-safe dish. Combine panko, oil, salt, and pepper in a small bowl, then sprinkle on top of macaroni. Broil until golden brown on top, just a few minutes.