In a gallon-size zip-top bag or bowl, combine the olive oil, garlic, lemon zest, onion powder, cayenne, smoked paprika, rosemary, parsley, and basil. Season with salt and pepper. Add the chicken and toss well to coat. Marinate for 10 minutes or up to overnight in the fridge.In a gallon-size zip-top bag or bowl, combine the red peppers, zucchini, and olive oil. Season with salt and pepper. Toss to coat.Set your grill, grill pan, or skillet to medium-high heat.Grill the chicken for 3-4 minutes per side, until chicken is cooked through and has light char marks. While the chicken is grilling grill the peppers and zucchini for 4-5 minutes on each side, or until charred. Remove everything from the grill and let cool 5 minutes. Once cool slice the red peppers into strips.In a medium bowl, combine the avocado, lemon juice, parsley, and garlic, and season with salt and pepper.To assemble, divide the rice among 4 bowls or plates. Top each bowl of rice with equal amounts of chicken, grilled peppers and zucchini. Add a large dollop of avocado and then add the fresh tomatoes and walnuts. Sprinkle with cheese (if desired). EAT!