Crumble beef into large, nonstick skillet and cook over medium-high heat. Add diced onion; cook, mixing with a large spoon to break up meat, until beef is browned.

Add garlic, tomato sauce, water, cocoa, chili powder, salt, allspice, cinnamon, cumin, red pepper and vinegar.

Bring to a simmer, reduce heat and simmer slowly, uncovered, 1 hour. Stir occasionally and add more water as necessary to make consistency of meat sauce.

Spoon sauce over cooked spaghetti, top with beans, onion, cheese and oyster crackers (not Gluten Free).