Orange and Pineapple Marmalade

Citrus fruits and pineapple should be washed, seeds removed, and the fruit passed through a meat grinder

Then it's ready for use

Measure out the fruit, and for every 1/2 kg of fruit, add 1 liter of water

Let the mixture boil and cook slowly for 1 hour

Set aside for 20 minutes

Pineapple should be peeled and the hard part removed

Grate the remaining fruit

Combine the remaining fruit with the cooked mixture and cook until the pineapple is tender

Let it cool, re-weigh it, and add an equal weight in sugar

Bring to a boil again and simmer rapidly until thickened