CA, main, vegetarian
Pre-heat oven to 400°F. Mash potatoes well. Add all of the above ingredients except cheese & mix well. Put in a 30 cm x 30 cm greased casserole. Sprinkle grated cheese on top. Cook for 20 mins. in oven.
If you like add some seafood, such as shrimps, scallops or salmon and season with lemon juice.