11 Time-Tested Secrets to Authentic South Indian Filter Coffee

2. Choose the Right Coffee Bean Variety

The beans you pick shape the entire cup. South India grows both Arabica and Robusta, and traditional filter blends often lean toward Robusta or a Robusta-Arabica mix for body and crema-like texture. Arabica brings floral and fruity notes while Robusta provides heavier mouthfeel and crema that pairs well with chicory. For an authentic, classic filter coffee, look for medium-dark roasted Indian Robusta or a blend labeled “filter roast.” If you prefer a brighter cup, a 60:40 Arabica-to-Robusta mix can work. Buy whole beans whenever possible and choose beans roasted within the last month; fresher beans keep the aroma that makes decoction pop. In North America, Indian estate coffees are available online from reputable importers and specialty stores—seek out descriptions mentioning “filter roast” or “South Indian estate.” Remember to note roast level: for this method, avoid very light roasts that get lost behind chicory, and avoid overly oily dark roasts that can cling to the filter and slow extraction.