Grease a 13x9 pan spread croutons in a even layer..brown sausage breaking up to crumble. Sprinkle over croutons evenly. Next layer sprinkle cheese evenly. Beat eggs and milk. Pour slowly over all.....cover tightly...REFRIGERATE OVERNIGHT!
Next day mix soup with half can measure of milk. Spoon evenl over top . Bake. 350 degrees for 50-60 mins until set