Gather the ingredients.
Brown the ground beef with chopped onions and minced garlic.
Cook until you do not see any remaining pink color.
Add the chopped celery to the meat mixture.
Add the chopped red bell pepper to the meat mixture.
Measure all the spices/seasonings into a bowl.
Sprinkle the spice/seasoning mixture over the meat mixture and stir until thoroughly combined.
Add the cooked meat mixture to the slow cooker and add the beans, tomatoes, and tomato sauce.
Place the lid on the slow cooker and cook on HIGH for 4 hours or on LOW for 7-8 hours.