Baked Macaroni Cheese with Tomato

preheat oven 175c						bake 45min or until brown
455g 0.455kg 1lb 16oz macaroni	cook 8-10 until partially done	drain	mix in baking dish	top	dot
1 can condensed tomato soup
340g 0.34kg 0.75lb 12oz cheddar	grate
295ml 0.295l 19 ²⁄₃tbsp 59tsp 1.25cup 0.519pint milk
100g 0.1kg 0.22lb 3.53oz margarine
2 slices of bread	grated
15g 0.015kg 0.033lb 0.529oz margarine blobs for top