Here is a step-by-step guide on how to make flank steak:
1. Preheat the oven to 400°F.
2. Season both sides of the flank steak with salt, black pepper, garlic powder, and paprika.
3. Drizzle some olive oil onto a baking sheet and place the steak onto the sheet.
4. Put the baking sheet with the steak in the middle rack of the preheated oven.
5. Cook for 10-12 minutes or until the internal temperature reaches 135°F for medium-rare or 145°F for medium.
6. Remove from oven and let it rest for 5 minutes before slicing.