Place the whipping cream in a large saucepan and stir over low heat for about 3 minutes, or until reaches 185°F (85°C).
Add in the lemon juice, and continue to stir over low heat for 2-3 minutes, then remove the pan from the heat and allow the cream cool.
Place a sieve lined with a tea towel or 3-4 layers of cheesecloth over a bowl. Pour the cream through the sieve, only few drops of the cream should be able to reach the base of the bowl, if it's more, use 2 layers of tea towel to prevent it.
Cover the cream and place in the refrigerator for 24 hours. The mascarpone cheese is ready when it reaches a rich and creamy texture.
Notes
How much mascarpone does this recipe make?About 300 g, from 500 g of cream. Yield varies with the fat content of your cream and how long you strain it. To get 500g mascarpone, use around 800 g of cream.Can I double the recipe?Yes. Keep the ratio of 1 tablespoon of lemon juice per 500 g of cream, use a wide pan so the cream heats evenly, and give it a bit longer to come up to temperature.EXTRA NOTES
Temperature matters most. Under 185°F / 85°C, the cream won't set properly. Over it, the cheese turns grainy.
Cream: use fresh pasteurised cream with 32–36% fat. Ultra-pasteurised works but sets softer and may need extra time.
Acid swaps: 2 g citric acid dissolved in 1 tablespoon lukewarm water, 1 tablespoon white wine vinegar, or 1 tablespoon lime juice.
Too thick? Stir in a spoonful of cream. Too thin? Strain for another 6–12 hours.
Whey: save the liquid that drains off for bread, pizza dough or pancakes.
Scaling up: for 500 g of mascarpone, start with about 800 g of cream.
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The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.