Thandai is a traditional and popular North Indian drink, made during the Holi festival. A typical Thandai recipe is made with a powder or paste of nuts & seeds like almonds, pistachios, poppy seeds, melon seeds with fragrant spices like green cardamom, fennel seeds, black pepper, saffron and hints of rose. This Thandai powder or paste is further mixed with milk to make the refreshing and cooling drink.
Then add almonds, pistachios, poppy seeds (khus khus), melon seeds, dried rose petals, fennel seeds and black pepper.
Mix very well. Cover and keep aside for minimum one hour or two hours. If you use water at room temperature, then you can also keep overnight or for 4 to 5 hours in the fridge.
Making thandai paste
After 1 to 2 hours, pour the whole mixture including the soaking water in a grinder or blender jar. Do make sure to use a high-speed grinder or blender.
Add ½ cup sugar, seeds from 3 to 4 green cardamoms and the saffron strands.
Blend the mixture to a very smooth and fine paste. Remove in a bowl and keep aside. You can cover and refrigerate if not using immediately.
Making thandai recipe
To prepare thandai, take about 4 tablespoons of the thandai paste in a glass. You can add less or more thandai paste as needed.
Add chilled milk. You can also use half-half combination of milk and water.
Mix very well. Check the taste and add more sugar if needed.
Add a few ice cubes if you like.
Garnish with rose petals. You can also garnish with some chopped almonds or pistachios.
Serve thandai immediately. Alternatively, you can prepare the thandai drink in a large mug or jug. Refrigerate and then serve.
Storage
For make ahead, store the thandai paste in the refrigerator and it keeps well for a week.
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Notes
Nuts: Traditionally almonds and pistachios are included. Swap cashews with pistachios. For pistachios do not use the salted ones.
Rose flavors: If using gulkand (rose petals preserve), then reduce the sugar to ⅓ cup. Or instead add 2 tablespoons rose water.
Thandai paste consistency: Grind the paste very finely, especially if preparing for kids. You can even strain the thandai paste if your blender or mixer is not able to make a fine paste. If the paste is not super fine or finely ground, it will give a gritty and grainy texture in the drink.
Peeling almonds: You can use peeled almonds if you want. Just blanch the almonds separately and then peel them.
Vegan option: Use almond milk, cashew milk or lite coconut milk. Almond milk is a better choice for this recipe.
Seeds: Skip poppy seeds and melon seeds if they are not available in your country. You can replace melon seeds with unsalted peeled pumpkin seeds.