Onion Marmalade
From Pam Corbin’s (River Cottage): Preserves p125
100ml olive oil
2kg Onions, peeled and finely sliced
200g demerara sugar and
150g redcurrant jelly
300ml cider vinegar and
50ml balsamic vinegar
1 tsp salt and 1/2 tsp pepper
Heat olive oil on medium heat, add onions. Reduce to a low heat, cover, and cook for 30-40 minutes, stirring occasionally. (If doubling the recipe, also double the time)
Add sugar and redcurrant jelly. Increase heat and cook for further 30 minutes without lid. Remove from heat, cool slightly, and add vinegars
Return to heat and cook rapidly for 10 minutes to reduce liquid. Should be gooey and fairly solid. Season with salt and pepper
Store in warm sterilized jars, up to 12 months