Turn Instant Pot to Saute(more) mode. Once the hot sign displays, add oil and garlic. Cook garlic, until they turn golden and crispy stirring frequently. Take the garlic out and keep aside, leaving the extra oil in the pot.
Add onions and cook for 1-2 mins until translucent and soft. Add rice and lightly toast for a minute stirring often. Add red wine and mix well, cooking for a minute as the wine reduces.
Add broth, sliced beets, and salt.
Close Instant Pot with the pressure valve to sealing. Cook in Manual(Hi) for 7 minutes followed by NPR.
Open the Instant Pot and take out the beets in a small blender. Blend to a smooth puree and put the puree back in the Instant Pot. Mix well. Add fresh ground pepper.
Garnish with Parmigiano Reggiano, scallions and garlic slices.