Creamy Chicken Florentine

Season chicken, if desired, with salt and ground black pepper.

In 12-inch nonstick skillet, melt half the butter over medium-high heat and cook chicken for 8 minutes or until chicken is thoroughly cooked, turning once. Remove chicken from skillet and keep warm.

In same skillet, melt remaining butter over medium-high heat and cook spinach, stirring occasionally, 2 minutes or until spinach begins to wilt.

Stir in tomatoes and cook for 1 minute. Stir in sauce mix blended with milk. Bring to a boil over high heat, stirring constantly. Reduce heat to low and stir in cheese. Simmer for 1 minute.

Pour sauce over chicken and serve, if desired, with hot cooked noodles or rice.