Preheat oven to 425 degrees. Prepare a rimmed baking sheet by generously spraying it with cooking spray.
Cut potatoes in half, then lengthwise into individual "fingers" (strips) about 1/2-inch wide.
In a large bowl, combine olive oil, garlic, rosemary, coriander, salt, and pepper. Mix well.
Add potatoes and coat.
Pour potatoes onto prepared baking sheet into one even layer.
Bake for 20 minutes. Flip sides and bake for an additional 20-25 minutes.
Compliments of 365 Days of Baking and More