01 -
Preheat the oven to 350°F and lightly grease a 9x13-inch casserole dish with nonstick spray.
02 -
In the prepared dish, combine diced potatoes, yellow onion, minced garlic, cooked bacon, mayonnaise, shredded cheddar cheese, onion powder, garlic powder, salt, and black pepper. Stir thoroughly to mix all components.
03 -
Cover the dish with aluminum foil and bake in the preheated oven for 60 minutes or until the potatoes are fork-tender.
04 -
Remove foil, sprinkle sliced green onions over the top, give a gentle stir to combine, and serve warm.