Paleo recipes: parsley and lemon sauce (for fish)

This is a sauce which is really good with fish.  I make it with red onion which gives the sauce a pinkish tinge and makes it particularly exciting with a fillet of white fish: plaice; cod; cobbler; haddock.  All of those would work well with this sauce.

It would also work well with trout but I would suggest swapping the red onion for a white onion so that it retains a more clear colour.

Paleo parsley and lemon sauce

Ingredients (serves 4):
50g butter
1 small red onion, finely chopped
1 clove garlic, crushed
1 large bunch parsley, finely chopped (reserve 4 sprigs for decoration)
Juice of 1 lemon


  1. Melt the butter in a small saucepan, add the onion and garlic and cook gently over a low heat for about 5 minutes until the onion has softened.
  2. Add the chopped parsley and lemon to the pan, mix together thoroughly and continue to heat for 3-5 minutes until the colour is starting to leech out of the onion.
  3. Spoon the sauce over the fillets of fish and top with a sprig of fresh parsley to serve.

2 thoughts on “Paleo recipes: parsley and lemon sauce (for fish)

  1. Ammi Post author

    There are a large number of paleo people who still consume dairy in small quantities and of the dairy foodstuffs it is generally agreed that butter (especially butter from grass-fed cattle) is ok. I put these recipes up on the blog for people to use as inspiration. If you are a paleo dieter who chooses not to consume any dairy or who has allergies which prohibit dairy then I would recommend avoiding this recipe. There are plenty of other recipes on the site which don’t contain any dairy.

    If you want to know more about the dairy issue then you could start with my articles on “Is dairy Paleo?“, “Blog-watch: revisiting dairy” and “Paleo rules or framework (part 1)“. Robb Wolf also often talks about dairy on his site and podcasts – worth noting that Robb Wolf is one of the Paleo-dieters who does consume dairy on an occasional basis.

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