Simmer uncovered to reduce excess liquid
Mash some of the beans or vegetables into the chili
Stir in tomato paste
Add a cornstarch slurry
Add a flour slurry
Mix in masa harina
Add crushed tortilla chips or corn chips
Stir in mashed potatoes or instant potato flakes
Add cooked rice or quinoa
Add more ground meat or plant-based crumbles
Puree a portion of the chili and stir it back in
Add a small amount of shredded cheese
Let it rest off the heat to thicken naturally