Tamil Nadu’s cuisine reflects ancient Sangam-era food habits, temple culture, and regional diversity shaped by coastline, plains, and the Western Ghats.
| Zone | Climate | Food Influence |
| Coastal Belt | Hot and humid | Rice, seafood, tamarind |
| Cauvery Delta | Fertile plains | Lentils, vegetables |
| Western Ghats | Cool hills | Pepper, cardamom, coffee |
| Era | Culinary Influence |
| Sangam Era | Rice and millet staples |
| Chola Period | Temple prasadam traditions |
| Chettiar Trade | Spices, meat dishes |
Tamil Nadu has one of India’s oldest documented food systems.
Rice, Lentils, Tamarind, Coconut, Pepper, Curry leaves, Millets, Ghee
Idli and Sambar, ancient fermented breakfast
Pongal, harvest-season classic
Chettinad Chicken, pepper-forward
Rasam, digestive tamarind soup
Kootu, vegetable-lentil preparation
Pongal: Sweet and savoury pongal
Aadi and Ayyappa traditions: rice offerings
Fermented foods support gut health
Pepper improves immunity
Rice–lentil combinations provide balanced nutrition