This wholesome, earthy soup is packed with flavour from the sweet roasted onions and unmistakable taste of fennel.

(Serves 2) 49p a portion
400g cauliflower florets, fresh or frozen, 60p
1 potato, diced, 9p
1 onion, quartered, 9p
4 cloves of garlic, unpeeled 6p
Scant teaspoon of fennel seeds, 5p
2 tbsp oil, 6p
500ml vegetable stock, 2p

Preheat the oven to 200C/400F/gas mark six.

Put the cauliflower, potato and onion into a large roasting dish.

Bruise the garlic cloves by bashing with a rolling pin or wooden spoon, and add to the roasting dish.

Combine the fennel and oil, pour over the vegetables, and roast in the oven for 20 minutes.

Remove from the oven, peel the garlic cloves from their papery skins, and transfer to a blender, ensuring you scrape in the oil and fennel seeds.

Pour over stock to cover and blend until smooth.

Tip: The leftover soup makes a delicious pasta bake. Simply thin with a little water, milk or stock, pour over pasta with a fistful of strong cheese, and bake in the centre of the oven at 180C/350F/gas mark four for 20 minutes, or until the pasta is cooked and the cheese is golden and crispy.

Jack Monroe. Twitter: @MsJackMonroe

First published in The Guardian, Weds 19th February. Photography by Graeme Robertson for The Guardian.


  1. Fab recipe. This just popped up at the right time as I was thinking about what soup to make tonight for the rest of the week and I have all those ingredients in my fridge. Thanks Jack!

  2. Just to let you know I’ve made this this evening and it’s delicious. I had a fresh fennel to use so I roasted a chunk of it (sliced up) with the other veggies and blended it all together with some Ham stock I had left from the weekend. That’s my lunch for the rest of the week sorted! Thanks again.

  3. Oh dear, I wonder what I did wrong? My cauli dried out and turned brown whilst staying rock hard, my onions burnt to a crisp, my garlic gloves dried out like little pebbles. Hmmmmmm….

  4. Made the soup and it ‘s delish. When I tasted it I did not think there would be any left over, but it is very filling, so maybe. I used half cauli and half broccoli, because that’s what I had. I also chucked in a thinly sliced carrot because I have loads. Thanks again Jack for helping me to realise I can cook.

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