open-kettle

Of these, the open-kettle method is perhaps the oldest household method of canning, and it is still used by many housewives.

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals

Utensils for canning for coffee making for confection making for drying for jelly making for preserving for tea making required for cold-pack method required for open-kettle method of canning

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals

Foods canned in this way undergo less change in form and flavor than those canned by the open-kettle method; besides, there is less danger of spoiling.

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals

This process is similar to that of canning by the open-kettle method; that is, the fruit and sugar are combined and cooked to the proper consistency in the preserving kettle.

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals

The other methods, which are newer, seem troublesome to the housewife who is familiar with the open-kettle method, yet it will only be fair to give the new methods a trial before deciding which to use.

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals

In fact, many foods, such as vegetables and meats, that cannot be canned satisfactorily by the open-kettle method will keep perfectly if they are carefully preserved by the one-period cold-pack method.

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals

Set over boiling water and stir until all ingredients blend -- only thus can you dissolve granulated sugar, which is best to use, lacking the old-fashioned live open-kettle brown.

Dishes & Beverages of the Old South Martha McCulloch-Williams

If you were canning by the "open-kettle" method, the air in the partly filled jar would not have been sterilized, and might contain the bacteria which cause the product to ferment or mold.

Every Step in Canning Grace Viall Gray

The oven method is liked by many housewives, but it offers almost the same chance for contamination as does the open-kettle method.

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals

The OVEN METHOD oven method of canning is thought to be very satisfactory by many housewives, but, as it is necessary to remove the covers after cooking the contents of the jars, food canned in this way is subjected to contamination, just as in the open-kettle method.

Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals