Heat one tablespoon gingely oil in a kadai. Add dried red chilies and gram dal. Fry till dal turns golden. Add chopped bell peppers. Saute till the peppers wilt.
Add tamarind and saute for few seconds. Let cool.
Take the cooled ingredients in a mixer jar. Add 10 whole almonds. Grind to a smooth/ coarse chutney with required salt and water.
heat 2 teaspoons oil in a kadai. Temper with mustard seeds and curry leaves. Add the tempering to the chutney and mix well. Serve badam chutney with idli/dosa.
Notes
1. You can add asafoetida while sauteing 2. You can use colored bell peppers too.