I love crostinis and I used to buy them until I found this easy and inexpensive solution–olive oil cooking spray!
Assemble your ingredients:
Slice the bread about 1/4″ thick on the bias.
Lay the sliced bread out on a tray.
Spray the first side with olive oil spray and flip and spray the other side.
Bake at 200 degrees for 30 minutes. Flip the bread slices and bake for another 30 minutes. Cool on the trays. If making ahead, store in the freezer.
You can see how much they shrink during baking.
Enjoy!
Cathy At Home on the River 
Another good one
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We ate some of them this weekend on our cocktail cruise.
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