Created by Tisme on March 27, 2015
Step 1: Melt butter in a medium pan and fry the onion until tender.
Step 2: Remove pan from heat and stir in the flour, then return to low heat for a few minutes.
Step 3: Remove pan from heat once again and gradually stir in the milk, return the pan to the heat and stir until it becomes a white sauce and thickens.
Step 4: Add the cheese's and stir until its melted.
Step 5: Place tuna in a casserole dish and mix in corn, peas, celery, parsley, lemon juice and curry powder. Stir ingredients until combined and then season to taste.
Step 6: Mix breadcrumbs with melted butter (I make fresh breadcrumbs in the processor and add the butter to make it easier) and top the mornay with the breadcrumbs.
Step 7: Place into 200c oven and heat for 10-15 minutes or until heated through and breadcrumbs are lightly browned.
Step 8: Serve.