Step 1

Tamarind juice concentrate can be found in South Asian markets.

Step 2

Process carrot and onion in food processor until finely chopped, about 20 seconds, scraping down sides of bowl halfway through processing. Add tamarind concentrate, water, lemon juice, sugar, cumin, coriander, and salt and process until combined, about 20 seconds, scraping down sides of bowl halfway through processing (mixture will not be completely smooth). Transfer to bowl and serve. (Chutney can be refrigerated for up to 3 days.)