Preheat oven to 425F. Mince shallot and garlic. Heat heavy-bottomed saucepot over medium-low heat, add 1T | 2T oil and saute 1t | 2t minced shallot and 1t | 2t minced garlic for about 2 min. Add 1C | 2C polenta and mix for about 1 minute.
Add 2C | 4C chicken stock and 1C | 2C rice milk and allow to cook (stirring occasionally) until polenta is cooked through and softened, about 30 minutes. If the polenta is too thick add more water or rice milk. Once it has reached desired consistency, mix in 1T | 2T of margarine and season with salt and pepper to desired taste.
Combine rice flour and 1/2t | 1t pepper in a shallow dish. Pat chicken breast dry with paper towels. Place 2 sage leaves lengthwise on each cutlet, then wrap a prosciutto slice around the middle of each cutlet, encasing sage. Flatten with the palm of your hand to help the prosciutto adhere to the chicken. Dredge cutlets in seasoned flour; tap off excess.
Heat 2T | 3T of oil in a saute pan over medium heat. Add chicken breasts to pan and cook until golden brown and prosciutto is crisp, 2-3 minutes. Turn cutlets over and cook until *golden brown, adding more oil if needed. Remove from saute pan. Stir in 1/2C | 1C white wine (optional) or use 1/2C | 1C chicken stock to deglaze the pan, and simmer over med-low heat until reduced by half, approximately 5 minutes.
Juice 1/2 | 1 lemon. In pan used to saute chicken, stir in lemon juice, 1/2C | 1C of chicken stock, 1t | 2t minced garlic. Simmer 3-5 minutes to reduce. Turn heat to low and whisk in 2t | 1T margarine. Adjust seasoning with salt and pepper and add 2t | 1T chopped fresh parsley. Return chicken breast to finished sauce.
Heat 1T | 2T of oil in a different saute pan over medium heat. Slice squash and add with cherry tomatoes to heated pan. Saute for about 2 minutes. Add minced 1t | 2t garlic and 1t | 2t shallot and cook for another minute. Add spinach leaves and a small splash of water. Cook until spinach is wilted and season with salt and pepper. Plate with finished polenta, chicken, and sauce. Serve & Enjoy!