Before You Begin
Prepare your cookware as needed. Cooking times and results may vary depending on your equipment and ingredients.
Preheat the oven to 375°F (191°C). Line a baking sheet with parchment paper if desired.
Prepare the Bread
Cut or tear the bread into bite-sized pieces. Slightly uneven edges help with browning.
Make the Seasoned Oil
Warm the olive oil and butter together over low heat for a few minutes, stirring gently. Add Italian seasoning, parsley, garlic powder, salt, and pepper. Stir to combine.
Coat the Bread
Place the bread pieces in a large bowl. Pour the seasoned oil over the bread and toss until evenly coated. Add Parmesan if using and mix gently.
Bake
Spread the bread in a single layer on the baking sheet.
Bake for about 10 minutes, then stir to promote even browning. Continue baking until the croutons are lightly golden and crisp on the surface. Cooking time may vary depending on the size of the bread pieces and their moisture content.
Cool Completely
Remove from the oven and allow the croutons to cool on the baking sheet until fully cooled. They typically become crispier as they cool.