Brown 4 ounces of diced pancetta in a large skillet or soup pot
Transfer the crispy pancetta onto a plate and set aside for now
Add the diced chicken into the skillet and season with garlic powder, onion powder, salt and black pepper
Cook until the chicken is cooked through and golden brown
Transfer the chicken onto the plate with the pancetta and set aside for now
Add the diced onion, carrots and poblano into the skillet and cook over medium heat for about 5-7 minutes
Add the finely minced garlic and cook, stirring consistently, for 60 seconds
Add 1/3 cup of flour and cook, stirring consistently, for about 60 seconds
Add 6 cups of chicken stock and stir to combine and work up any brown bits from the bottom of the skillet
Add the corn, potatoes, sweet bell peppers, crispy pancetta and browned chicken into the soup
Bring the soup up to a simmer
Add 3/4 cup of buttermilk, 1/2 teaspoon of garlic powder, 1/2 teaspoon of onion powder, 1/2 teaspoon of cumin and a big pinch of salt and black pepper and simmer until the potatoes are tender (about 15 minutes)
Serve garnished with fresh parsley or cilantro and green onions (optional)
Chill leftovers in an airtight container