Enjoy our crazy good Chicken Casserole recipe for dinner tonight! Preheat oven to 400°. Season chicken w/salt & pepper. Heat oil & brown chicken. Add onion & garlic and cook, stirring occasionally, until onion is almost tender. Stir in carrots, zucchini & green onion and cook 5+ mins. Combine boiling water w/Knorr® Rice Sides™ Chicken flavor in 13x9-inch baking dish. Stir in vegetables & chicken. Cover tightly w/ tin foil. Bake 30 mins or until chicken is fully cooked & rice is tender.