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Ricotta

Ricotta
Ricotta dome on plate from the top.jpg
Country of origin Italy
Source of milk Sheep, cows, goats, or Italian water buffalo
Texture Dependent on variety, fresh soft to aged semisoft
Aging time None or up to a year for aged varieties
Commons page

Ricotta (pronounced [riˈkɔtta] in Italian) is an Italian whey cheese made from sheep, cow, goat, or Italian water buffalo milk whey left over from the production of cheese. Like other whey cheeses, it is made by coagulating the proteins that remain after the casein has been used to make cheese, notably albumin and globulin.

Ricotta (literally meaning "recooked") protein can be harvested if the whey is first allowed to become more acidic by additional fermentation (by letting it sit for 12–24 hours at room temperature). Then the acidified whey is heated to near boiling. The combination of low pH and high temperature denatures the protein and causes it to precipitate, forming a fine curd. Once cooled, it is separated by passing the liquid through a fine cloth, leaving the curd behind.

Ricotta curds are creamy white in appearance, and slightly sweet in taste. The fat content changes depending on the brand and the type of milk used. In this form, it is somewhat similar in texture to some cottage cheese variants, though considerably lighter. It is highly perishable. However, ricotta also is made in aged varieties which are preservable for much longer.

The production of ricotta in the Italian peninsula is old, dating back to the Bronze Age. In the second millennium BC, ceramic vessels called milk boilers started to appear frequently and were apparently unique to the peninsula. These were designed to boil milk at high temperatures and prevent the milk from boiling over. The fresh acid-coagulated cheeses produced with these boilers were probably made with whole milk. However, the production of rennet-coagulated cheese overtook the production of fresh whole-milk cheeses during the first millennium BC. Bronze cheese graters found in the graves of the Etruscan elite prove that hard-grating cheeses were popular with the aristocracy. Cheese graters were also commonly used in ancient Roman kitchens. Unlike the fresh acid-coagulated cheese, aged rennet-coagulated cheese could be preserved for much longer.


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