-I add sour cream to keep the potatoes smooth even after re-heating.
-Often times, I don't drain the water that I added to the Instant Pot to cook the potatoes. One less step! ** When I first started experimenting with this recipe I used 1/2 cup water, but have found that 1 cup water works better in cooking the potatoes thoroughly. When I use 1 cup of water, I drain off the water before adding the remaining ingredients!
-If you are using Russets, always remove the peel. Russet skins are quite tough. You can leave the skins on the Russets when they cook, they will pop right off after being steamed in the Instant Pot, then mash and add butter and other ingredients.
If using Red Potatoes, try leaving the skins on, they blend nicely into the mashed potatoes!