Mushroom Lasagna

1 packet fresh lasagna sheets or instant lasagna sheets
500 g mince
1 large onion
1 small tin mushrooms
1 tin tomatoes
1 tsp dried mixed herbs
1 tbsp butter
1 cup water
pinch salt and pepper


SAUCE
2 tbsp butter
1/3 cup plain flour
2 cups milk


Cook chopped onion in melted butter. Add mince and stir til mince is browning. Add tomatoes, mushrooms, water, herbs and salt and pepper and cook for about 1 hour.


Melt butter, add flour and stir to a paste. Add milk, cook and stir til the sauce thickens. Add salt and pepper to taste.


Grease large oven dish and put a think layer of hot mince. Cover with lasagna sheets. Put the rest of the mince and cover again with more lasagna sheets. Pout over the sauce and sprinkle liberally with grated cheese. Brown in a fairly hot oven - 200C for approximately 30 minutes.