Combine ground beef, water, baking soda, 1/2 teaspoon salt, 1/4 teapsoon pepper in a bowl. Stir to combine. Let sit for 20 minutes.
Meanwhile, heat oil in a Dutch oven. Add green pepper, onion, oregano, cumin, cinnamon, and 1/4 teaspoon of salt and cook for 6 minutes, stirring occasionally.
Add garlic and cook 1 minute.
Add tomato sauce and broth and simmer for 5 minutes.
Reduce heat to medium-low. Add raisins, bay leaves, Worcestershire sauce and beef in chunks and stir to coat it in the sauce. Cover and cook for 10 minutes, stirring occasionally. Each time you stir, break the meat apart some.Note: Add more beef broth if sauce is getting too thick.
Discard bay leaves. Stir in olives and capers. Increase heat to medium and simmer for 3 to 5 minutes to thicken sauce.
Stir in vinegar and season to taste with salt and pepper.
This recipe originally appeared on spicysouthernkitchen.com