Sour cream, crème fraîche or sour cream? The difference lies in the fat content. With 30 to 40 percent fat, it is the front runner when it comes to fat.
Due to its lower fat content, it flocculates quickly when you heat it. The idea of swapping one dairy product for another is obvious - and actually makes little difference in taste. But when it Comes to sauces or other warm dishes, it's better to use crèmes fraîches and sour cream instead of sour cream.