Heat oil in a pan.

Splutter mustard seeds, fenugreek seeds, and urad dal.

Add cumin seeds and fennel seeds; roast well.

Furthermore, add curry leaves, green chilies, and onions; mix well.

Add turmeric powder and salt; sauté until translucent.

Furthermore, add tomatoes, sambar powder, and coriander powder; sauté.

Add pumpkin and sauté until the tomatoes turn mushy.

Furthermore, add tamarind water and enough water; boil until the pumpkin is cooked.

Add pepper powder, jaggery, and sesame oil; cook until the kuzhambu thickens and comes together.