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Moist-heat cooking · beginner

Simmering

Cooking in liquid held just below the boil, with small, gentle bubbles.

924 recipes use it

What it is

Simmering keeps liquid at roughly 85–96 °C, with small bubbles rising lazily. It is the working temperature for dals, curries, soups, stocks, sauces and rice by absorption.

Why cooks use it: It cooks food through and blends flavours without breaking it apart, toughening meat or clouding stocks.

The science

Below the boil, liquid moves less violently, so delicate food is not battered and fat is not emulsified into the liquid. Proteins in meat contract less sharply at lower temperatures, and collagen still converts to gelatin given time.

How heat moves into foodHow proteins set when cookedStarch gelatinisationEvaporation and reductionHow sugar behaves

Step by step

  1. Bring the liquid to a boil, then lower the heat.

  2. Adjust until only small bubbles break the surface steadily.

  3. Partly cover if you want to limit evaporation; uncover to thicken.

  4. Stir occasionally, scraping the base, especially with dal or starchy sauces.

  5. Taste and adjust seasoning near the end.

Heat and timing

  • Simmering 85–96 °C · Small, gentle bubbles; lower end for stocks, upper end for dals and sauces.

Time: From 10 minutes for sauces to several hours for stocks.

How you know it’s right

  • Small bubbles rising slowly at the edges and centre
  • Surface trembling rather than churning

Common mistakes

  • Letting it creep back to a boil
  • Not stirring thick dals, which catch on the base
  • Seasoning heavily early before liquid reduces

Troubleshooting

Catching on the bottom
Use a heavy pot, lower the heat and stir; do not scrape burnt bits into the dish.
Too thin at the end
Uncover and simmer to reduce, or mash some lentils or potato into it.

Restaurant DNA

How professionals do it

Kitchens use heavy-based pots, flame tamers and induction settings to hold sauces at a steady simmer for hours, and often use a bain-marie to hold finished sauces.

At home

A heat diffuser under the pot and a heavy Dutch oven make a steady simmer easy on a strong burner.

General professional practice — not any particular restaurant’s recipe.

Food safety

  • Thick sauces and dals can spit; stir with a long spoon.

Practise it

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