Sambal Oelek
Indonesian chili paste in its plainest form: fresh red chilies ground with salt and vinegar and nothing else. It is raw, thick and fiercely hot, and it is a different thing from chili oil — there is no fat in it, so it seasons rather than slicks.
At a glance
Ingredients and method are in the app
Kitchen Pantri holds the full ingredient list and step-by-step method for Sambal Oelek, checks it against what is already in your pantry, and adds anything missing to your shopping list. The app is free to use; you set up a Pantri account when you first open it.