How to Use a Pressure Cooker
A pressure cooker cuts cook times by 50-70% by trapping steam and raising the boiling point inside the pot, but it only works when there's enough liquid to generate steam and the lid is sealed correctly. Get either of those wrong and you'll end up with scorched food or a cooker that never comes to pressure.
Steps
- 1Add at least 1 cup (240ml) of liquid to the pot, water, broth, or a sauce with enough water content; pressure cookers need liquid to create steam and will scorch without it.
- 2Add food, filling the pot no more than two-thirds full (half full for beans, rice, and other foods that expand or foam).
- 3Lock the lid according to your model, making sure the sealing ring is seated properly and the pressure valve is set to sealed or closed.
- 4Set the heat to high (stovetop) or select the pressure cook function (electric) and set the cook time based on the recipe.
- 5Wait for the cooker to build pressure, this takes 5-15 minutes depending on volume and starting temperature, then start timing once it reaches full pressure (stovetop models will hiss steadily or the pressure indicator will pop up on electric models).
- 6Once the timer ends, release pressure using the method the recipe specifies: quick release by turning the valve to venting for delicate foods like vegetables and seafood, or natural release (letting it sit 10-20 minutes off heat) for meats, beans, and grains so they finish cooking gently.
- 7Wait until the pressure indicator drops fully and the lid unlocks freely before opening; never force a lid that's still under pressure.
Common mistakes
- Not enough liquid: less than a cup of liquid can boil off before the cooker reaches pressure, leaving the pot dry and scorching the food.
- Using quick release on beans or grains: the sudden pressure drop makes them foam and can force liquid and starch out through the valve, clogging it.
- Overfilling the pot: food that expands (rice, beans, pasta) needs headspace or it can block the pressure valve and prevent proper sealing.
- Opening the lid before pressure has fully released: this can cause hot liquid to spray out, even on electric models with a locking mechanism.
- Skipping the sealing ring check: a ring that's twisted, dried out, or not seated evenly is the most common reason a cooker won't build pressure.
Equipment
- Stovetop or electric pressure cooker
- Trivet or steamer basket (for foods cooked above liquid)
- Long-handled tongs or a lid lifter for hot lids
FAQ
What's the difference between a stovetop and electric pressure cooker?
Stovetop models reach higher pressure (typically 15 psi) and cook faster, while electric models like Instant Pot run around 10-12 psi and take a bit longer but offer programmable timers and automatic keep-warm.
How much liquid does a pressure cooker actually need?
At least 1 cup (240ml) for most 6-quart cookers, regardless of what the recipe's other ingredients contain, since some of that liquid needs to stay as steam throughout the whole cook time.
Why is my pressure cooker not building pressure?
The most common causes are a sealing ring that isn't seated correctly, a valve left in venting position instead of sealing, or not enough liquid in the pot to generate steam.
Can I use a pressure cooker to can food safely?
Only a pressure canner rated for canning, not a standard pressure cooker; canning requires sustained, calibrated pressure to kill botulism spores in low-acid foods, which regular pressure cookers aren't built to guarantee.
Is it safe to do a quick release on foods with a lot of liquid, like soup?
It's better to use natural release or release in short bursts, since a full-liquid pot under quick release can spit hot liquid through the valve.
Need exact temperatures or timing? Check our Time & Temperature Guide →