- Put a Dutch oven on medium high heat and pour the olive oil in it. - When the olive oil is hot, put the pork tenderloin in the Dutch oven and cook it for about 2 minutes on both sides until it gets a golden color (see on the picture below). Season with salt.
- Pour the orange juice in the Dutch oven. - Then let it cook on medium high heat (the orange juice should be on the verge of boiling but not boil completely) for about 20-25 minutes. At half the time, flip the pork tenderloin on the other side.