Not all chili powders are the same; the ingredient listing on the package will tell you what you're getting. Cooking purists prefer pure ground chili peppers. Other chili powders are a blend of seasonings that may include ground chilies, cumin and possibly salt. The degree of heat also varies considerably. Experiment to find which type you prefer.
To extract the most juice from a fresh lime, roll it on the counter or microwave it for about 10 seconds before cutting it.
Store the prepared salad up to two days in the refrigerator.
Serve this sweet-spicy salad with sliced fresh tomatoes and crusty sour-dough rolls.