Why Pushing Down The Instant Pot Lid Is Not A Good Idea

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ReadingWhy Pushing Down the Instant Pot Lid is Not a Good IdeaShareTweet Why Pushing Down the Instant Pot Lid is Not a Good IdeaBy Amy + Jacky·March 30, 2017

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A timely push on the Instant Pot lid seems like a good idea as it seems to immediately popup the floating valve, seal the pressure cooker, and speed up the whole cooking process!

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Steam is coming out of the floating valve… The metal pin is dancing up and down… This is so tempting. Let’s push down the pressure cooker lid to seal it all up!

A Major Reason Why Food is Undercooked

Let me tell you this. Pushing down the Instant Pot lid is actually one of the top reasons why your food comes out undercooked in the Instant Pot Electric Pressure Cooker.

Without going all nerdy right off the bat, let me explain this to you in human language.

If the lid is pushed down to force seal the Instant Pot, air will be trapped inside the pot. Since air has a lower heat capacity than steam, it will reduce the cooking temperature.

Let’s Look at Some Experiment Data

We did 9 tests with temperature trackers inside 5 different models of Instant Pot Electric Pressure Cookers. The results support this theory.

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Experiment Results from Instant Pot DUO60 Version 2

Model: Instant Pot IP-DUO60 V2 Electric Pressure Cooker Method: Temperature trackers directly submerged in 2 cups of water Cooking Time: High Pressure for 5 minutes

Black color (Peaked at 241°F/116°C) – Naturally sealed Blue color (Peaked at 237°F/114°C) – Force sealed by pushing the Instant Pot lid down while steam is floating through the floating valve Red color (Peaked at 230°F/110°C) – Force sealed immediately when placing the Instant Pot lid on

Experiment Results from Instant Pot Smart

Model: Instant Pot Smart Electric Pressure Cooker Method: Temperature trackers placed on a trivet in 1 cup of water Cooking time: High Pressure for 10 minutes

Black color (Peaked at 231°F/110°C) – Naturally sealed Blue color (Peaked at 224°F/107°C) – Force sealed by pushing the Instant Pot lid down while steam is floating through the floating valve Red color (Peaked at 200°F/93°C) – Force sealed immediately when placing the Instant Pot lid on

Conclusion from the Instant Pot Lid Experiments

If we calculate the PSI based on the peaked steam temperature at 241°F/116°C, 237°F/114°C, and 230°F/110°C

The psi is 10.64, 9.04, and 6.09 respectively.

We can conclude the following with the experiment data we gathered from the 9 tests:

More Trapped Air = Lower Cooking Temperature: The more air gets trapped inside the Instant Pot, the lower the cooking temperature.
More Significant Impact When Cooking On a Trivet: The cooking temperature reduces more significantly when food is on a trivet and not submerged in the water (i.e steaming).

Solutions to Prevent This Mistake?

Be Patient & Seal Naturally: Allow the pressure cooker to seal naturally by not forcing or pushing down the Instant Pot lid.
Begin in Venting Position: Always make sure the Venting Knob is in the Venting Position when putting on the Instant Pot lid. Then, turn the Venting Knob to the Sealing Position after closing the Instant Pot lid.
- Why? With the Venting Knob in Sealing Position, the floating valve may popup immediately if there is hot liquid in the Instant Pot. So, it’s a good habit to have the Venting Knob in the Venting Position first. 🙂

Instant Pot Test Kitchen: we did 9 tests with Temperature Trackers in 5 different models of Instant Pot Electric Pressure Cookers to find the problems with pushing down Lid.

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*Disclosure: We are an Amazon Influencer/Amazon Associate. This means that if you decide to purchase items or services on Amazon through our links on Pressure Cook Recipes to Amazon, Amazon will send a small commission to us at no additional costs to you. Thank you!

Hello, We are Amy + Jacky!

Amy + Jacky is a husband and wife team who worked directly with Instant Pot company, pressure cooker manufacturers, and 35+ restaurants. Our goal is to give you the confidence and knowledge to cook with an Instant Pot or pressure cooker through our well tested recipes.