Preheat oven to 400 degrees Fahrenheit and line a baking sheet with parchment paper.
Slice a baguette into ½" slices. Arrange slices on the baking sheet and lightly brush each side with olive oil. Bake for 10-15 minutes, flipping them over halfway, until toasted and golden brown.
Assemble Crostini Bar
Arrange the toasted bread slices and your favorite toppings on a large cutting board, and serve!
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