Step 1

Preheat oven to 190C. Peel potatoes, cut into thin slices and place in a bowl with water.

Step 2

Heat oil in frying pan, add mince, onion, sauces, salt and pepper. Brown mince and set aside.

Step 3

Melt margarine in a saucepan and add flour. Blend until smooth.

Step 4

Gradually add milk and stir continuously until a thick sauce is made. Reduce heat and stir in cheese. Remove from heat.

Step 5

Line a casserole dish with half the potato slices, pour in the mince mixture and top with mushrooms.

Step 6

Pour cheese sauce over mixture and top with remaining potatoes.

Step 7

Dot casserole with extra margarine and place in oven for 30-40 minutes until browned and potatoes are tender.