1. Bread and butter baked pudding.
Slice and butter your bread, and a flat baking dish (Pyrex is best).
Lay the bread on the dish.
Mix some eggs, milk and sugar, add to the dish, (bread will float) sprinkle with cinnamon, nutmeg or both and bake till it sets. I tried to google a recipe but they all make it much less simple than it need be.
2. Dampen the loaf, wrap in foil then bake for a while. It'll come out of the oven like a freash loaf of bread.
3. Soak slices in a mixture of egg, milk and fry on both sides. (French toast?)
4. Make breadcrumbs.
You are right never to waste bread!