Romanesco Steak Sandwich

Serves :

4 People

Prep Time :

10 Minutes

Cooking Time :

25 Minutes


  • Low calorie olive oil or 2 tbsp olive oil
  • 1 large head of romanesco (or 2 smaller heads)
  • 2 medium onions, sliced thinly (we use our own roscoff onions for extra sweetness!)
  • 1 tbsp honey
  • 1 tbsp sugar or sweetener
  • 60g rocket
  • Some of your favourite cheese, grated (optional)
  • Ciabatta, enough for four sandwiches, cut in half (or use any bread of your choosing!)
  • Mayonnaise, to taste
  • Salt & pepper, to taste



  1. Preheat your oven to 200°C / 180°C fan oven.


  2. Remove the outer leaves from your romanesco and trim the stalk slightly. Keeping most of the stalk in place will help with keeping the romanesco steaks whole. Slice your romanesco into four evenly sized steaks (around 1.5cm). Keep any loose florets as these can be roasted separately as a tasty side for your meal.


  3. Lay your steaks out onto a baking tray and spray or drizzle with olive oil and a pinch of salt. Flip the steaks over and repeat the process of adding the oil and salt to the steaks. Use your hands to mix the oil, salt and steaks well if required.


  4. Pop in the oven for around 25-30 minutes, or until they turn golden brown. Turn halfway through cooking. Add those loose florets to the oven for a crunchy side to your sandwich.


  5. Meanwhile prepare your caramelised onion by adding the low calorie olive oil to a pan, then adding the onions, cook for 2-3 minutes, then add the honey and sugar. Keep cooking on a low heat until the end of the romanesco steak’s cooking time for that caramelised flavour intensity.


  6. Begin plating up your sandwiches by opening up your ciabatta portions onto your plates and spreading the mayo (add some cracked black pepper for extra flavour). Add the rocket on top.


  7. Remove the romanesco from the oven and layer on top of the rocket. Remove the caramelised onions from the heat and spread over the romanecso. Grate some of your favourite cheese for some extra flavour if you desire. Add the top layer of ciabatta on the top.


  8. Serve alongside any small romanesco florets you roasted in the oven. Serve with a simple side salad or a few homemade chips. Enjoy!

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