Lightly coat the pork loin with olive oil, and then season with equal parts salt, pepper, garlic powder, and onion powder.
Transfer the pork to a baking tray and roast in the oven for 35-45 minutes or until the pork reaches an internal temperature of 145° to 165° F. (Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of food-borne illness.) Set aside to rest.
Prepare the Idahoan Mashed Potatoes according to the package instructions.
Heat baked beans according to the package instructions.
Slice pork loin in 3/4 inch slices.
Plate the pork loin, beans, and Idahoan Four Cheese Mashed Potatoes.