An easy, filling dish for the lazy Sundays. Recipe serves four, adapted from Zu, quickneasytreats.blogspot.com

What you need:

• 3 medium or large Russet potatoes, cooked and sliced thinly
• 2 tomatoes, cubed
• 1 onion, chopped
• 1 can tuna in brine
• 2 tbsp chopped corriander leaves
• 2 tbsp mayonnaise
• 1oo ml whipping cream
• Shredded cheddar and mozzarella cheese for topping
• Sprinklings of bread or biscuit crumbs
• White pepper to season

Directions:

1. Preheat oven to 180 degree celsius and greased a large casserole dish with butter
2. In a bowl, mix together the tuna, tomatoes, onion, corriander and mayonnaise. Season with pepper.
3. Arrange 1/3 of the sliced, cooked potatoes at the bottom of the dish, followed by half of the tuna mixture.
4. Sprinkle a layer of shredded cheese and alternate with another potato and tuna layer. Finish with the last 1/3 of sliced potatoes.
5. Pour cream over the gratin and sprinkle shredded cheese generously over the cream. Top with bread or biscuit crumbs for the extra crunch and sweetness.
6. Bake in the oven for about 20 minutes till the top is golden brown. Serve warm with salad.