3 pounds small red potatoes, scrubbed and chopped into small bite-sized chunks
1/4 of a large red onion, diced
4–5 stalks celery, diced
To cook the potatoes in your Instant Pot, place in the steamer basket with 1 cup of water. Cover with the lid making sure the valve is set to sealed. Cook on manual high pressure for 4 minutes. Natural release. To cook the potatoes on your stove top, place potatoes in a large pot and cover with water by 1 inch. Bring to a boil then reduce heat to low and cook until potatoes are easily pierced with a knife, about 5 minutes.
While the potatoes cook, prepare the onions and celery and set aside.
Place all dressing ingredients in a blender and process for about 20 seconds until well combined. Set aside.
Once the potatoes have cooked and cooled, add the dressing and toss gently. Gently stir in the red onions and celery. Taste and adjust seasonings as needed. Cover and chill in your refrigerator until serving. Store leftovers in an airtight container in your refrigerator for 2-3 days.