Saute Chicken In Oil Until Browned. Season With Salt And Pepper. Add Onion, Garlic, Cumin, And Oregano. Saute For 5 Minutes. Add Broth And Squash. Simmer For 15 Minutes. Add Green Beans, Peas, Potatoe, Bell Pepper, Corn And Fava Beans. Simmer For 15 Minutes. Add Polenta And Cilantro. Simmer For 5 Minutes. Place Soup In Bowls And Sprinkle With Jalapeno.