Combine the cranberries, sugar, water, orange juice, orange zest and salt in a heavy saucepan. Bring to a simmer. If you prefer smaller cranberries, roughly or finely chop them before adding to the saucepan.
Simmer and stir for 10-15 minutes, until the cranberries start to pop and break down. The mixture will be thick and sticky.
Place a fine sieve or colander over a bowl, do not press down on the mixture, you want some liquid. Package or serve.
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