Sweet potato and cauliflower bake Recipe | New Idea

Ingredients

• 600 g orange sweet potato, cut into 1 cm thick rounds
• 550 g cauliflower, cut into small florets
• 1 tsp extra virgin olive oil
• 1 leek, halved lengthways, thinly sliced
• 2 cloves garlic, crushed
• 2 tbsp water
• 40 g light margarine
• 3 tbsp wholemeal flour or gluten-free plain flour
• 500 ml (2 cups) skim milk
• 40 g (½ cup) low-fat grated cheese
• 1 slice (45g) sourdough bread or gluten-free bread, processed into crumbs
• 1 tbsp chopped flat-leaf parsley, to serve