What’s for dinner tonight? Slow Cookers Tomato Basil Chicken! Warm Italian flavors come to life with this not-so-secret ingredient: McCormick® Tomato Basil Chicken & Vegetables Seasoning Mix. Combine this robust blend of garlic, basil and oregano with tomatoes, mushrooms and chicken to create a sauce to be served over your favorite cooked pasta. Don’t forget the Parmesan cheese.