1. Sprinkle 1 tablespoon Knorr® Tomato Bouillon with Chicken flavor evenly over chicken. Heat oil in large deep nonstick skillet over medium-high heat and cook chicken, turning occasionally, until browned on all sides, about 4 minutes; remove and set aside.
2. Cook onion, carrots, red pepper, zucchini and remaining 1 tablespoon Bouillon in same skillet, stirring occasionally, until golden, about 5 minutes. Stir in garlic and cook, stirring, until fragrant, about 30 seconds. Stir in tomatoes and immerse chicken in skillet. Bring to a boil over medium-high heat.
3. Reduce heat to medium-low and simmer covered, until chicken is thoroughly cooked, about 30 minutes. Serve, if desired, with hot cooked rice.
TIP: Garnish, if desired, with chopped cilantro and crumbled queso fresco.
TIP: For a more nutritious option, serve over brown rice, farro or quinoa.