Spicy Tomato Onion Chutney

1Heat oil (1 tablespoon) in a pan over medium heat.

2Add mustard seeds (1 teaspoon) and cumin seeds (1 teaspoon), and let them splutter.

3Add chopped onions and sauté until they turn translucent.

4Stir in the chopped green chillies (2) and sauté for another minute.

5Add the chopped tomatoes, salt (1 teaspoon), and chilli powder (1 teaspoon). Cook until the tomatoes are soft and the mixture thickens, about 10-15 minutes.

6Remove from heat and let it cool slightly.

7Blend the mixture into a smooth paste, adding lemon juice (1 tablespoon) for tanginess.

8Transfer to a serving bowl and garnish with fresh coriander leaves.