Preheat oven to 400 degrees.
Put parchment paper sheet on sheet pan.
Put two cups (16 ounces) of frozen green beans onto baking sheet.
If you have time, make space in between green beans. This will help to make the green beans crispier.
Drizzle olive oil on top of the frozen green beans
Add garlic powder, salt and pepper to your liking onto of the frozen green beans.
Put into heated oven.
Cook for 20 minutes.
Take green beans out of oven and flip green beans to the other side.
Cook for another set and second 20 minutes.
Take green beans out of oven and flip green beans.
Cook for a third 20 minutes. (Total 60 minutes)
Scoop 1 cup for one serving. And save second cup of crispy green beans for tomorrow's lunch or dinner. Or use second cup for someone else or yourself!