Put all ingredients in crockpot and cook 4-5 hours on high. For Instant Pot, cook on high pressure for 20 minutes. With a small hand blender, blend a small section of the chili to thicken it.
Polenta Croutons
Preheat oven to 375
Slice polenta into rounds, and then again into pie shapes
Sprinkle salt and drizzle olive oil on polenta
Bake on cookie sheet for 20 minutes, or until thoroughly heated
Serve chili topped with polenta croutons and sliced leeks.