Cut the short ribs into 1½-inch pieces, then season them well with salt and pepper.
2 lbs Boneless short ribs, Salt and pepper
Cut the potatoes, onions, and carrots into bite-sized pieces, and mince the garlic.
3 cloves Garlic, 2 medium Onions, 3 Carrots, 5 Red potatoes
Set the Instant Pot to saute mode. Once nice and hot, add the olive oil and short ribs, and sear for a few minutes until browned. Do this in two batches if needed to not overcrowd the pot.
2 Tablespoons Olive oil, 2 lbs Boneless short ribs
Once nicely seared, remove short ribs and set aside. Add the butter to the pot and melt, then add the onions and carrots and cook for a few minutes until starting to soften.
2 Tablespoons Butter, 2 medium Onions, 3 Carrots
Add the garlic and saute until fragrant, about 1 minute. Then add in the tomato paste and stir until well combined.
3 cloves Garlic, 2 Tablespoons Tomato paste
Once mixed evenly, add in the beer and stir, letting it cook down for a few minutes. Then add in the beef stock, Worcestershire, rosemary sprigs, bay leaves, and parsley, and stir well. Then add the potatoes.
24 oz Dark beer, 2 cups Beef stock, 1 Tablespoon Worcestershire sauce, 2 sprigs Rosemary, 2 Bay leaves, 1 teaspoon Parsley
Return the short ribs to the pot and secure the lid on. Press the 'Stew' or 'Pressure Cook' button, and cook on high pressure for 35 minutes.
Natural release the pressure for 15 minutes, then serve and enjoy!