To make mascarpone at home you can use just cream or a mixture of cream and milk, plus citric acid. Lemon juice can be used instead of citric acid, and if you have lemons (preferably not Meyer lemons, but some more acidic lemons) you can use lemon juice, but citric acid is easy to measure. Some bloggers make a similar recipe and call the result ricotta (or creamy ricotta ), but don't be fooled, they are mistaken (or idiots) and this is NOT ricotta, ricotta is a totally different product made in a totally different way and with different ingredients. You can find a recipe for ricotta here or, even better, here . Mascarpone is delicious, rich and fat, it is used in many Italian desserts or cheese dishes (like torta di mascarpone and gorgonzola) and of course the more cream you add the highest the fat content. I used 300 ml of cream and 200 ml of full fat (grey top) milk and 4-5 g of citric acid diluted in 50 ml of hot water (the lower the d...