Preheat the oven to 400 degrees F.
To marinate the vegetables, whisk the spices, lime juice and oil in a large bowl. Stir in the bell peppers and onions.
Bring the rice, water and oil to a boil in a pot. Reduce heat, cover and simmer until the rice is tender.
Stir in the garlic, lime zest & juice, cilantro, salt and pepper.
Assemble the fajita bowls. Spoon the cilantro lime rice, roasted peppers & onions and beans & corn into individual bowls. Add your desired toppings such as avocado and a lime wedge.