Mix the first five ingredients (the spices) and rub on the outside of the beef short rib; set aside.
Set your instant 2ot to saute.
Drizzle oil into instant pot.
Using tongs, lower short ribs into Instant Pot.
Sear all sides.
Remove short ribs; set aside.
Add tomato paste, water, balsamic, Dijon mustard, cocoa, and garlic to the Instant Pot and mix with a spoon until combined.
Add short ribs.
Place lid on Instant Pot and lock into place.
Make sure your steam vent is turned to closed.
Tum the settings to "Pressure Cooker", and set the timer for 40 minutes.
Once the 40 minutes are up, let the Instant Pot sit for 10 minutes.
Carefully press the pressure release valve.
Once all the pressure is released, unlock the lid.
Spoon sauce over each piece of beef short rib and serve warm.