Tuna Mornay

Ingredients

• 200g dried spirals or macaroni (try wholemeal)
• 30g butter
• Corn kernels (cut from 1 cob)
• 1 carrot, grated or finely diced
• 1 brown onion, finely diced
• 1/2 cup frozen peas
• 3 tbsp plain flour
• 2 cups milk
• 1 tablespoon dijon mustard (optional)
• 1 cup grated tasty cheese, plus 1/2 cup for the top
• 190g tuna in springwater, drained (or two small tins)*
• 1/2 cup wholemeal breadcrumbs (fresh or packet)