Sheet-Pan Jambalaya with Cauliflower Rice

Ingredients

• 1 medium onion, chopped
• 1 medium green pepper, chopped
• 2 celery ribs, chopped
• 4 ounces boneless skinless chicken breasts, cut into 1-inch pieces
• 2 fully cooked andouille sausage links, sliced
• 4 garlic cloves, minced
• 3 tablespoons olive oil
• 4 teaspoons reduced-sodium Creole seasoning, divided
• 1 package (10 ounces) frozen riced cauliflower
• 1/2 pound uncooked shrimp (26-30 per pound), peeled and deveined
• 2 cups cherry tomatoes, halved