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How to Cure a Copper Caso

Kim Blakesley

A copper caso is a large cooper pot used to cook alkaline foods such as meat, pasta and high-sugar foods. Acidic foods such as fruits, tomatoes, salad dressings and vinegar containing foods should not be cooked in a copper caso due to the toxic chemical reaction between the copper and the acid in the food. Cure a copper caso before the first usage and after each cooking session with a coating of vegetable oil.

Cure a copper caso with a thin coat of vegetable oil.

Step 1

Cut a lemon into 1/4-inch slices. Sprinkle baking soda over the slice.

Step 2

Rub the lemon and baking soda over the cooking surface of the copper caso.

Step 3

Rinse the copper caso with warm water and dry.

Step 4

Dip the corner of a cloth in vegetable oil. Rub the cloth over the cooking surface of the copper caso. Store for future use.