Ingredients
Gather these precise measurements to ensure the culturing process works perfectly.
- Heavy Cream (36–40% butterfat): 2 cups (16 oz / 480ml / 480g)
- Cultured Buttermilk: 1 tbsp (0.5 oz / 15ml / 15g)
Note: Preparation time is about 15 minutes, with a setting time of 8–24 hours. This recipe yields approximately 2 cups (16 oz / 480ml) of tart cream.
Step-by-Step Instructions
- Combine the 2 cups (16 oz / 480g) of heavy cream and 1 tbsp (0.5 oz / 15g) of cultured buttermilk in a heavy-bottomed 1-quart (32 oz / 946ml) saucepan and stir until thoroughly blended. Place the pan over low heat and, stirring gently but constantly, heat the mixture to precisely 85°F (29°C).
- Remove the pan from the heat and carefully pour the warmed cream mixture into a sterilized 1-quart (32 oz / 946ml) glass jar. Loosely cover the jar and set it aside at a room temperature of 60°–85°F (15°–29°C) until it has thickened to the consistency of lightly beaten cream—this will take anywhere from 8 to 24 hours depending on your kitchen's temperature. Once set, refrigerate the jar, tightly covered, until you are ready to use it, for up to 7 days.
Nutritional Information
Note: The following nutritional values are approximate and calculated based on a standard serving size of 2 tablespoons (1 oz / 30g).
- Calories: 105 kcal
- Fat: 11g
- Carbohydrates: 1g
- Protein: 1g
Pro Tips
As a chef, I cannot stress enough how important precision is when you are working with live cultures. Here are my top secrets for getting a flawlessly thick and tangy batch every single time:
- Mind the Temperature: Using a kitchen thermometer is non-negotiable. Heating the cream to exactly 85°F (29°C) creates the perfect cozy environment for the cultured buttermilk bacteria to multiply. If it's too cold, it won't set; if it's too hot, you'll kill the culture.
- Sterilize Your Equipment: Because this mixture sits at room temperature for up to 24 hours, you want to ensure only the good bacteria are growing. Always sterilize your glass jar and lid with boiling water before pouring the cream in.
- Don't Skimp on the Fat: To achieve that luxurious, spoon-coating thickness, you absolutely need heavy cream with 36–40% butterfat. Half-and-half or whole milk will just leave you with a runny, watery mess.
- Leave It Be: Once you place the jar on your counter, do not shake, stir, or aggressively move it. Agitation can break the fragile curd structure as it forms, preventing it from thickening properly.
Frequently Asked Questions (FAQ)
What is Khatte Malai? Khatte Malai is a traditional North Indian tart, cultured heavy cream. It is very similar to French crème fraîche but was historically made using fresh, high-fat buffalo milk. Today, it can be easily recreated at home using a combination of heavy cream and cultured buttermilk.
How is this different from commercial sour cream? Store-bought sour cream typically contains about 20% butterfat and often includes thickeners like gelatin or guar gum. This authentic Khatte Malai recipe relies on a much higher butterfat content (36–40%) and natural culturing, resulting in a richer, naturally thicker product that will not curdle when stirred into hot sauces or soups.
Can I use half-and-half or regular milk instead of heavy cream? No, you cannot substitute lower-fat dairy in this recipe. The high fat content is entirely responsible for the final thick consistency of the tart cream. Using milk or half-and-half will result in a thin, runny liquid rather than a spoonable cream.
How long does homemade Khatte Malai last? When stored properly in a sterilized, tightly sealed airtight glass jar in the refrigerator, your homemade tart cream will stay fresh and delicious for up to 7 days.
