Slow Cooker Beef Stew with Butternut, Carrot and Potatoes

lbs. (1.5kg) boneless beef chuck, cut to 1 inch cubes

red cooking wine

cup beef broth (or chicken broth)

 tablespoons tomato paste

 tablespoons flour

garlic cloves, finely chopped

onion, finely chopped

 medium carrots, peeled and sliced

baby potatoes, rinsed

butternut squash, seeded, peeled and diced

Italian seasoning

bay leaf

Salt and fresh cracked pepper

Fresh chopped parsley, for garnish (or cilantro, if you prefer)