Traditionally, you would serve gooseberry, rhubarb or blackberry sauce with mackerel, plum sauce with herrings - but you can make your own minds up about that - try stirring a little horseradish sauce into these as well to add further piquancy.
The method is the same for all fruits - I sometimes stew the fruit in a little white wine instead of the orange juice - about two tablespoons - to lift the flavour to dinner party standards - just wash the fruit and cut into small pieces if necessary.
Gooseberry Seafood Sauce
2 Cups/12 oz (350g) gooseberries - topped and tailed
Rind and juice of one orange
Sugar to taste
Simmer the gooseberries until tender - either a little water or wine with the orange rind and juice if you like.
Just keep an eye on them to make sure they don't boil dry.
It should take around 20 minutes and they will look like pulp. They will have cooked down to a mushy texture.
When they are cooked, simply process until smooth in a blender, or pass through a sieve to give a coarser sauce - passing through the sieve will remove any skins.
Use whatever fruit you have to make a fruit sauce to serve with oily or white fish - apple can be very nice with a bit of horseradish stirred in.
You might need a spoonful of sugar in the tarter fruits, such as gooseberry or rhubarb, but that is a matter of personal taste.
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