Preheat the oven to 375°F (190°C)
Cut bread into small cubes
Place bread cubes in a bowl
Drizzle with olive oil or melted butter
Add salt and any desired seasonings
Toss until evenly coated
Spread cubes in a single layer on a baking sheet
Bake for 10 to 15 minutes
Stir halfway through baking
Remove when golden and crisp
Let cool before using