Miso mushroom & halloumi burgers - Good Food Middle East

Ingredients

• 4 large portobello mushrooms, stalks removed
• 1 large red onion, cut into 4 thick slices
• 250g block halloumi, cut into 8 thick slices
• 4 burger buns, split
• 2 tomatoes, sliced
• 4 handfuls of rocket or other peppery leaves
• burger sauce of your choice, to serve
• 100g softened butter
• 2 tbsp white miso
• 2 tbsp light soy sauce
• 1 large garlic clove, grated