Place a large dutch oven on your stove and pre-heat to medium heat. Cook the bacon until crispy. Remove the bacon, chop, and reserve for later.
Cook the onions, green bell peppers, and jalapeños in the bacon fat for 5-6 minutes or until the veggies have softened and the onions are semi-translucent. Add in the garlic and cook for 1 to 2 minutes more.
Add the chopped brisket to the pot and stir gently until the mixture is well combined. Add in the beans, tomatoes, chipotle pepper, adobo sauce, beef stock, and seasonings.
For the ultimate flavor boost, add some coffee. Dump in a packet of Starbucks Via instant coffee. The coffee is truly a great addition that takes this chili to the next level (see notes below).
Stir until well combined, reduce the heat to a low simmer and cover. Cook for at least 30 minutes, up to 2 hours until the chili reduces to the desired consistency.
Serve with shredded cheese, diced onions, sour cream, or any other toppings that you like!