Crockpot Beef Short Ribs w/GravyShort Ribs:1 tbsp oil4 meaty short ribs1 onion, peeled and chopped3 cloves garlic, peeled and minced1 cup (240ml) red wine2 and ⅔rds of a cup (640ml) beef stock (water + 3 beef stock cubes is fine – or use vegetable bouillon for gluten-free)1 tsp dried thyme1 tbsp tomato puree 1 tsp sugar2 bay leaves¼ tsp salt¼ tsp pepper1 tbsp Worcestershire sauceFor the gravy:2 tbsp cornstarch/cornflour5 tbsp cold water