Combine 1-quart cold water and with 2 pounds of uncooked ground beef into the bowl of your crockpot. Using a potato masher, mash until the beef is broken up and a thick slurry forms. Add the onions, garlic, tomato paste, vinegar, Worcestershire sauce, bay leaves, salt, yeast, chili powder, paprika, allspice, cayenne, cinnamon, cumin, oregano, and ground ginger. Mix well.