My mum made this dish often in Singapore and I enjoyed it but felt the meal was too warming for the climate. I made it for my flatmate and a friend in Manchester and it was perfect for the colder weather! It's incredibly healthy with everything you need for a balanced meal - protein, vegetables, carbohydrates and dairy. It's easy to make in advance and reheats well (excellent when it's a recipe for 4 and there's only 2 of us). If you need to omit the meat that's fine otherwise it adds a nice bite and you can use leftovers from the Sunday roast. Also from your Sunday roast you can use uneaten potatoes and vegetables. Food recycling at it's best!
Use a Le Cruset style pan (mine is a size 20)
1½ cup tomato passata (otherwise puree a tin of tomatoes)
Green beans chopped small, if you have any leftover
Packet of lardon/diced leftover roast lamb or beef/4 diced rashers of fried bacon
2 baking sized potatoes, thinly sliced and boiled
Enough grated cheddar cheese to cover the potatoes
Fry the onions, carrots, peppers and meat on the hob in a bit of oil until soft.
Add the lentils, passata, peas and sweetcorn and cover with a lid, simmering until the lentils are cooked and the liquid has all been absorbed (about 30-40 minutes).
Top with the sliced potatoes and the the cheese.
Place under the grill or in the oven until the cheese is melted and bubbling.
leave to cool for 5 minutes and then enjoy.