Curd: What It Is, How It's Made, and Why It Matters in Indian Kitchens
When you think of curd, a fermented dairy product made by acidifying milk with live cultures. Also known as yogurt, it's one of the most common foods in Indian households—eaten plain, mixed with rice, used in drinks like buttermilk, or turned into raita to cool down spicy meals. Unlike store-bought yogurt with added thickeners, traditional Indian curd is simple: just milk and time. No stabilizers. No sugar. Just the natural magic of bacteria doing their job.
The process starts with heating milk to around 85°C, then letting it cool to body temperature—about 40°C. That’s when you add a spoonful of old curd as a starter. The lactic acid bacteria, microorganisms like Lactobacillus that convert lactose into lactic acid begin fermenting. In 6 to 12 hours, the milk thickens, turns tangy, and becomes curd. This is the same science behind paneer making, but instead of using lemon juice to coagulate, you’re using live cultures. The result? A probiotic-rich food that aids digestion, boosts immunity, and keeps you full longer. It’s no wonder Indian grandmothers swear by it after every meal.
What makes Indian curd different from other yogurts? It’s the climate, the milk, and the patience. In warmer regions, fermentation happens faster. In colder ones, people wrap the pot in a towel or keep it near the stove. The type of milk matters too—full-fat cow or buffalo milk gives you thicker, creamier curd. Skim milk? You’ll get watery results. And if you’ve ever made curd at home and ended up with a slimy mess, you’re not alone. Over-fermenting, using cold milk, or a weak starter can ruin it. But get it right, and you’ve got a food that lasts days, costs pennies, and beats any store-bought version.
Curds are also the base for many Indian dishes. From kadhi to dahi bhalla, from lassi to the batter for dosas and idlis, curd is the quiet hero behind the scenes. It’s what gives fermented foods their rise, their tang, and their texture. If you’ve ever wondered why your dosa batter didn’t puff up, or why your raita turned out too thin, the answer often lies in the curd you used—or didn’t use properly.
Below, you’ll find real, tested guides on how to make curd from scratch, how to fix failed batches, how it connects to paneer and dosa batter, and why it’s not just food—it’s a daily act of food science in every Indian kitchen. Whether you’re trying to make your first batch or understand why it’s so central to Indian meals, these posts have you covered.