In the insert of a crockpot, add the ground beef and pork, garlic, onion, salt, pepper, Italian seasoning, fennel seed, Better Than Bouillon, white wine and tomatoes. Roughly break up the tomatoes using a wooden spoon. Stir together well.
Cover and cook on HIGH for 4 hours, or LOW for 6-8 hours.
Stir in crushed tomatoes and cream. Re-cover and cook for an additional 1 hour on HIGH and 2 hours on LOW.
Sauce should be thick at completion of cooking time. If it is too thin/soupy, uncover and cook on HIGH until thick (or reduce on stovetop. If sauce seems too thick/dry, add additional liquid-crushed tomatoes or beef stock.