Braise 2 cups chopped green tomatoes, 1 chopped yellow onion, 6 hot green chiles, and 6 garlic cloves in some oil and a little water for 20 minutes. Puree in a food processor with 1/2 cup walnuts, 1 tablespoon amchoor, and 1 teaspoon salt. Let cool, then spoon into a mason jar. Keep in the refrigerator. Add to everything.
Thanks to Julie Spencer
Amchoor
Made from dried unripe green mangoes, amchoor spice has a delicious fragrance similar to honey and a fruity, sour flavor. Amchoor powder is a popular ingredient in Northern Indian cooking, used to flavor samosa filling, pakoras, and meat and vegetable curries.