Take oil in a pan. Once hot, put minced garlic, followed by onion. Fry till Onion start to brown a little bit.
To a pre-heated Slow cooker, add chicken breast, crushed tomatoes, cooked Onion and garlic mixture, all the spices, warm Chicken Stock and salt.
Cover and let it cook on high 2-3 hours.
To the Crock Pot, stir in chopped bell peppers, Cream, cream cheese, Shredded cheese. Further cook on high for 20-30 minutes.
While serving, top it with fresh cilantro, Sour cream, Avocados.