Step 1

Preheat oven to 375F.

Step 2

Pour broth in the insert of your Instant Pot.

Step 3

Place steamer basket inside the Instant Pot.

Step 4

Transfer prepared cauliflower to the basket inside the Instant Pot.

Step 5

Close the lid and set the valve to sealing.

Step 6

Set on manual setting and cook on high pressure for 3 minutes.

Step 7

Use the quick release function to release the pressure.

Step 8

Drain out all of the liquid and transfer the cauliflower to a food processor or blender.

Step 9

Add garlic, butter, sour cream, dry mustard, chili powder, salt, and pepper to the blender; process until blended and creamy. I recommend using the pulse function because you have more control over how creamy or chunky you want your mashed cauliflower.

Step 10

Transfer the cauliflower mixture to a baking dish.

Step 11

Top with cheeses and prepared bacon; bake for 5 minutes, or until cheese is melted.

Step 12

Sprinkle green onions over the top.

Step 13

Serve.