It typically contains cumin, coriander, brown mustard, cloves, fenugreek, turmeric and roasted rice as a thickener. Even if it looks like typical yellow curry powder and even smells slightly like it, it is not the same and is generally milder.
Colombo powder is not spiced with chillies like many curry powders but instead uses brown mustard and black pepper to give it some kick. You can either make it yourself or buy ready made ones.
Once you’ve mixed up a batch you can give it a try on our recipe for Colombo Chicken in our recipe section.