Susan Edmunds of RNZ

When it comes to butter, paying more doesn't necessarily pay off, a new taste test shows.

Consumer NZ ran a blind taste test of 11 types of butter available to New Zealand shoppers.

It said the worst rated was a Market Kitchen block of butter for sale at The Warehouse for $5.99 per 400g block.

The butter was made in New Zealand, but only had a two-out-of-five-star rating on The Warehouse website too.

It was the second-cheapest of the blocks tested, but samplers noted a "strange aftertaste".

The controversial US butter Burtfields & Co was second-worst.…