Step 1: Preheat your oven to 425°F (220°C). Peel and dice the sweet potato, slice the onion, and slice the red bell pepper. Place on a large baking sheet.
Step 2: Drizzle the veggies with olive oil and sprinkle with salt, ground cumin, and smoked paprika. Toss to coat.
Step 3: Spread the veggies on the baking sheet and roast for 25-30 minutes until tender, stirring halfway through.
Step 4: While the veggies roast, cook the brown rice according to package instructions.
Step 5: For the vegan queso, blend soaked cashews, water, green chilis, nutritional yeast, cumin, chili powder, salt, garlic, and vinegar until smooth.
Step 6: Assemble your bowls with a base of brown rice, topped with roasted veggies, black beans, avocado, salsa, and drizzle with vegan queso.