Instant Pot oxtail soup with vegetables and a rich tomato based stew sauce is pure comfort food. Make in your Crockpot Express or Ninja Foodi for dinner
Mix together garlic, salt, pepper, and thyme, and rub on to outside on all sides of your oxtails to season well. Place olive oil in pressure cooker and set to saute setting. Place oxtail in instant pot to saute and brown on all sides.
Press cancel on instant pot. Remove oxtails from pot and place the metal trivet into pot. Place pcs. on top of trivet. Pour water into bottom of pot so they can steam to tender.
Place cover and lock into place, set to high pressure with sealed vent for 45 minutes. Quick release vent. Carefully remove the metal trivet, using a hot pad or tongs. Transfer cooked oxtails into the bottom of your pot.
Add sliced onion, potatoes, carrots. In a bowl whisk together tomato paste, Marsala cooking wine, cornstarch and beef broth, pour that into the pot too.
Place instant pot cover and lock into place. Set the vent to seal and press the soup setting, for 30 minutes. Release vent, stir and serve.
Use a fork to remove meat from oxtail bones and add back into the pot. Stir all contents and serve in bowls.