Michigan State University Extension
Preserving Food Safely - 01600306


Raspberries may be frozen in sugar or syrup or
unsweetened. Seedy berries are best for use in making
purees or juice.

Select fully ripe, juicy berries. Sort, wash carefully in
cold water, and drain thoroughly.

Sugar pack
To 1 quart (1 1/3 pounds) berries add 3/4 cup sugar and
mix carefully to avoid crushing. Put into containers,
leaving 1/2 inch headspace. Seal, label and freeze.

Syrup pack
Put berries into containers and cover with cold 50-percent
syrup (1 cup sugar to 1 cup water), leaving 1/2-
inch headspace. Seal, label and freeze.

Unsweetened pack
Put berries into containers, leaving 1/2-inch headspace.
Seal, label and freeze.

Juice. For beverage use, select as for whole raspberries.
For jelly making, select as recommended in specific jelly
recipe. Crush and heat berries slightly to start the flow
of juice. Strain in a jelly bag to extract juice.
Sweeten beverage juice with 1/2 to 1 cup sugar for each
quart of juice if desired. Pour into containers, leaving
1/2 inch headspace. Seal, label and freeze.

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