Preheat oven 180*C fan forced. Peel and cut potatoes into thin slices. Microwave potatoes with a little water on HIGH for 5 minutes. Drain well.
TO MAKE MEAT SAUCE:
In a large saucepan that has been coated woth cooking spray, saute' garlic and mince until cooked. Add onions, carrots, capsicum, celery, cook 3 minutes stirring occasionally. Add canned tomatoes, tomato paste and soup, combine well. Add stock powder, basil and pepper to taste. Slow boil for 3 minutes. Leave to one side.
TO MAKE WHITE SAUCE:
In a medium size saucepan melt margarine, add flour and combine. Slowly add milk to pan using a whisk to avoid lumps. Add parmeasn cheese and pepper to taste.
TO ASSEMBLE LASAGNE:
In a large lasagne dish that has been coated with cooking spray, place half the potato slices over base. Spread half the mince mixture over top of potato. Repeat this process. Spread white sauce over final mince layer, sprinkle cheese on top. Cover with foil(coat foil with cooking spray to stop cheese sticking). Bake for 45 minutes then remove foil and bake 30 minutes or until potato is cooked through. cheese.