Hot Chili Flakes
Hot Chili Flakes is a dry chile seasoning used for heat and aroma. Add a little at a time, bloom briefly in fat when useful, and taste before adding more.
Identity
Dry chile seasoning
Add in small amounts and taste.
Chile flakes spread heat quickly. Add a pinch at a time, bloom briefly in fat when useful, and taste before adding more.
Wikimedia Commons
Reference image
Hot Chili Flakes reference image.

Source: Wikimedia Commons
Used In Recipes
Substitutions
Acceptable
Chili Powder -> Hot Chili Flakes
Chili powder or hot chili flakes, to taste
The source lists this as an alternative in the same ingredient row.