In a small bowl, mix together the bullion and vinegar and set aside to let the bullion dissolve.
Heat a Dutch oven over 12-15 coals. In the Dutch oven, melt the butter. Add the onions and bell peppers and cook until they are starting to soften.
Add the ground beef and cook until browned and cooked through.
Stir in the chili powder, oregano, cumin, paprika and bay leaves; cook for a minute or two.
Stir in the tomato sauce, green chiles, and pinto beans. Then stir in the reserved vinegar mixture. Season to taste with salt and pepper.
Place the lid on the Dutch oven and place 6-8 coals on top. Simmer for 2-3 hours.
When ready to serve, place Fritos in a bowl and top with the chili, shredded cheddar cheese and diced onions.
