Brown the Beef: Heat olive oil in a skillet over medium heat. Add ground beef, cook until browned. Drain excess fat. Transfer to crockpot.
Sauté Veggies: In the same skillet, sauté onions, garlic, and bell peppers until softened. Add to crockpot.
Add Ingredients: Stir in diced tomatoes, tomato paste, beans, beef broth, and all spices. Mix well.
Slow Cook: Low: 6–8 hours,High: 4 hours
Adjust Seasoning: Taste and add more salt, pepper, or cayenne as needed.
Serve: Ladle into bowls and add your favorite toppings.