Step 1

In a pot, add the vinegar, worcestershire sauce, liquid smoke, ground mustard, ketchup, brown sugar, red onion, garlic powder and bbq sauce. Stir to combine and bring to a boil.

Step 2

Turn the heat to low and simmer for 10 minutes. Remove from heat.

Step 3

Sprinkle all sides of the ribs with the bbq rub.

Step 4

Heat an Instant Pot with the saute mode on more heat and add a drizzle of oil.

Step 5

Brown each side of the ribs and set aside.

Step 6

Place the apple juice or pineapple juice in the bottom of the Instant Pot and set in a trivet.

Step 7

Add the ribs on top and pour over 1 cup of the smoky bbq sauce that you just made in the pot. Place the lid on and set the valve to seal.

Step 8

Turn the Instant Pot to pressure cook on high, setting the time for 45 minutes.

Step 9

Allow a natural release for 10-15 minutes, then remove the lid.

Step 10

Set the ribs on a baking sheet and brush with a little sauce, then broil for 2-4 minutes in the oven.

Step 11

Brush with more sauce and serve over smashed potatoes.