Cauliflower cheese steak & cannellini bean gratin with sage crumbs - Good Food Middle East

Ingredients

• 1 large or 2 small cauliflower (about 1kg)
• 50g butter
• 50g plain flour
• 500ml milk
• 2 bay leaves
• 200g mature cheddar, grated
• 1 tsp English mustard powder
• small bunch of sage, leaves picked and finely chopped
• 2 x 400g cans cannellini beans, drained and rinsed
• 75g grated mozzarella
• 1 tbsp olive oil
• 1 garlic clove, crushed
• 50g dried breadcrumbs
• 1 lemon, zested