In a large dutch oven, cook the ground meat, Italian sausage, chopped onions, and minced garlic until you no longer see any pink in the meat. Discard any excess fat if you want a leaner version.
Place cooked meat mixture in a 5 qt slow cooker and add the spices, sugar, diced tomatoes, tomato paste, Worcestershire sauce, and canola oil.
Add the ½ cup of water, cover, and cook on low for 8 hours. If you can’t wait for the 8 hour cooking time, you can cook it on high for 4 hours.