• Preheat the oven to 200C/400F degrees
  
• Brush the cauliflower with the olive oil and place on a parchment paper lined baking tray
  
• Roast for 30-40 minutes, turning over the slices half way and brushing the other side with oil.
  

SAUCE

• In a pan, melt the butter
  
• Add the onion and garlic and cook for about 5 minutes, until golden and soft.
  
• Add the sliced mushrooms and cook for a further 5 minutes until cooked. You may want to add extra butter if the pan starts to go dry.
  
• Add the sour cream and mix well.
  
• Simmer for a couple of minutes, then add the Gorgonzola and stir into the cream mixture.
  
• Simmer for a further minute or two until the cheese has melted. Season to taste.
  
• Place the cauliflower steaks on a plate and pour the sauce over them.
  
• Eat and enjoy!