About this recipe:This slow cooker onion purée is a fantastic base for so many dishes. Use in quiches, pies, risotto or even on pizza. Great to make ahead and freezes well.
Makes: 1 jar onion puree
450g thinly sliced onion
1 clove garlic, minced
250g salted butter
salt and pepper, to taste
Add to shopping list
Turn this recipe into a shopping list you can print, email, view on your mobile or shop online. It's free! Powered by Whisk.com
Method Prep:10min › Cook:5hr › Ready in:5hr10min
Preheat the slow cooker to auto or low setting.
Combine all of the ingredients in the slow cooker.
Cook on auto or low setting for 4 to 5 hours or until the onion has completely softened. The purée is ready when the onions have softened and there is just some liquid remaining. Purée using a hand held liquidiser then use or store.