Chennai-style Vada Curry Recipe

Ingredients
Channa dal – 1/2 cup
Red chillies – 4
Fennel seeds – 1 tsp
Onion, chopped – 1
Tomatoes, chopped – 2
Ginger-garlic paste – 1 tsp
Red chilli powder – 1.5 tsp
Coriander powder – 1 tsp
Turmeric – A pinch
Salt – As per taste
Mint leaves – 2 sprigs
Coriander leaves – 1 bunch
Curry leaves – 1 sprig
Oil – 2 tbsp
Cinnamon stick – 1
Cardamom – 1
Clove – 1
Bay leaf – 1
Cumin seeds – 1 tsp