This sambal is actually mum's version. You can replace the french onion (bawang bakung) with bombay onion (bawang merah besar) or shallots (bawang merah biasa). Can be prepared the day before you make your nasi lemak.
Lalap Sambal Terasi - Sundanese Vegetables with Shrimp Paste Chili Relish
Recipe for Sambal Tomat, Indonesian Tomato Chili Sauce.
Femina.co.id: Sambal Roa #resep
One of Indonesian Sambals from Batak ethnic group that is spicy and addicted