Blackberries stewed in vinegar with sugar and sweet spices. An accompaniment for game or duck.

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Blackberry Relish

5-6 lbs blackberries
1 tsp salt
1 oz sugar
1 tsp mustard powder
½ tsp ground cloves
½ tsp ground nutmeg
½ tsp ground cinnamon
1 pint vinegar

Make a puree by simmering the blackberries in just enough water to cover them. Strain through a fine sieve, pressing out as much pulp as possible. Put with rest of ingredients in pan and simmer for 10 to 15 minutes. Pour into heated bottles and seal.