Steps
1. Preheat the oven to 350°F (175°C).
2. Spread butter on both sides of the bread slices.
3. Cut the bread into small cubes.
4. Grease a baking dish with butter.
5. Arrange half of the bread cubes in the bottom of the dish.
6. Spread a layer of orange jam over the bread.
7. Add a layer of orange slices.
8. Repeat with another layer of bread, jam, and orange slices.
9. Bake in the preheated oven for 20-25 minutes or until golden brown.
10. Serve warm.