How to Drain Boiled Potatoes for Mashing
To drain boiled potatoes for mashing, carefully pour them into a colander over the sink, then return them to the warm pot so excess moisture can evaporate. You can also drain them directly from the pot with a securely fitted clip-on strainer, provided you can comfortably control the hot pot.
How to Drain Boiled Potatoes for Mashing
The goal is to remove the cooking water without losing potato pieces or leaving them sitting in a puddle. Start when the potatoes are tender enough for a fork or thin knife to slide into the center easily. If the centers still resist, keep cooking before you drain.
Have your draining setup ready before lifting the pot. Clear the sink, move dishes out of the way, and set a stable colander inside it if you are using one. Keep children and pets away from the path between the stove and sink.
Choose a draining method you can handle safely
A colander is a straightforward choice, especially for a large batch. Choose one with openings small enough to catch your potato pieces and enough capacity to hold them. Its base should sit above the sink bottom so the potatoes do not rest in drained water.
For draining straight from the pot, the Clip-On Silicone Pot Strainer ($14.99) is another option. It is intended for pasta, boiled potatoes, and vegetables, and includes one clip-on strainer. Before buying or using it, check the strainer dimensions against your pot and follow the fit and attachment instructions. If using an appliance's removable cooking vessel, check your own appliance's manual and dimensions too.
Do not assume a strainer makes a heavy pot easy to lift. If the full pot feels awkward, turn off the heat and transfer the potatoes into a colander with a slotted spoon instead. Let the remaining water cool before disposing of it.
Drain slowly and keep clear of steam
Turn off the burner and use dry oven mitts when tipping hot pots. Hold the handles securely, pour away from your body, and keep your face and hands out of the steam rising from the sink. Start with a small tilt rather than dumping everything at once.
With a colander, pour slowly so hot water does not splash or back up around the potatoes. Let the water run through, then give the colander a gentle shake. Avoid tossing or pressing very soft potatoes, which can break apart and pass through the openings.
With a clip-on strainer, attach it according to its instructions and confirm that it is secure before lifting the pot. Tilt gradually and stop if the attachment shifts or potatoes begin escaping. Never try to catch falling potatoes or adjust a strainer while pouring hot water.
Let excess moisture evaporate before mashing
Once the main flow has stopped, return colander-drained potatoes to the empty, warm cooking pot. If you drained directly from the pot, set it back on a stable stovetop surface. Let the potatoes stand uncovered briefly so steam can escape.
If you still see water at the bottom, use low heat for about a minute or two, moving the potatoes gently with a spoon to prevent sticking. Watch closely and stop when the visible water is gone and the surfaces look less wet. You are drying them, not frying or browning them.
Mash while the potatoes are still hot, then add butter and warmed milk or cream gradually. Starting with well-drained potatoes gives you better control over the final consistency. Do not rinse them after draining, since that adds water and cools them before mashing.
Finish up without extra fuss
Keep a heatproof resting spot ready for the empty pot, colander, or strainer. Hot cookware and escaping steam can still be a concern after the water is gone, so continue using oven mitts as needed.
Rinse the Clip-On Silicone Pot Strainer after use. Dishwasher guidance is still to be confirmed, so do not assume it is dishwasher-safe; check the current care instructions before putting it in the machine.
Step by step
- Check that a fork slides easily into the potatoes, then turn off the heat.
- Clear the sink and prepare a stable colander or securely fitted clip-on strainer.
- Use dry oven mitts and pour slowly away from your body, keeping clear of steam.
- Let the water finish draining without pressing the potatoes.
- Return potatoes to the warm pot and let excess moisture evaporate uncovered.
- Mash while hot, adding butter and warmed liquid gradually.
Common questions
Should I save any potato cooking water?
You can reserve a little before draining if you want an optional liquid for adjusting the mash. Add it sparingly, and taste before adding more salt because the cooking water may already be salted.
Can I drain potatoes by holding the lid slightly open?
A loose lid can slip and release hot water or potatoes unexpectedly. A stable colander is a more manageable choice. Avoid improvising a narrow lid gap while supporting a heavy, steaming pot.
What if my potatoes are falling apart?
Lift them gently into a fine-mesh colander with a slotted spoon. Skip vigorous shaking, allow them to drain, and dry them carefully in the warm pot.
Bottom line: Drain slowly, keep clear of hot water and steam, and let the potatoes dry briefly in the warm pot before mashing. A colander or properly fitted clip-on strainer can do the job.