Cooking ScientistGet the app
Cooking technique

How do you toast spices?

Toasting spices, in one line

To toast spices, heat whole spices in a dry pan over medium heat until fragrant, which deepens their flavor before you grind or use them.

Why it works

Heat drives off harsh, grassy notes and sparks Maillard-type reactions in the spice, creating nutty, roasted flavors. Whole spices keep their oils sealed inside until heat opens them up. When toasted and ground fresh, they smell far stronger than pre-ground jars. Pull them as soon as they are fragrant, since they go from toasted to burnt very quickly.

How to do it

Common mistakes

  • Walking away, since spices burn in seconds.
  • Toasting on high heat, which scorches the outside first.
  • Leaving them in the hot pan, where they keep cooking.

Questions about toasting spices

Should you toast spices before grinding?

Yes, for whole spices like cumin and coriander. It deepens the flavor. Pre-ground spices do better when bloomed in oil.

How do you know when spices are toasted?

They smell strong and nutty, and some darken slightly. Seeds like mustard may pop.

Can you toast ground spices?

Not well. Ground spices burn almost instantly in a dry pan, so bloom them in oil instead.

Go deeper

Ingredients to try it with

Practice it with a real recipe

Cook mode in the app walks you through recipes that use this technique, one step and one timer at a time.

Download on theApp Store

Recipes that use it

Related techniques