01 -
Set oven to 325°F (163°C). Lightly coat a 9x13 pan with cooking spray.
02 -
Combine diced potatoes, grated cheese, crumbled bacon, minced garlic, and chopped onion in the coated pan.
03 -
Pour the mayo over the potato mixture and mix it well until it's all coated evenly.
04 -
Place in preheated oven and bake for roughly 1 hour 30 minutes. The potatoes should soften, and the top will turn a golden hue.
05 -
Dish out while it's still steaming hot and fresh from the oven.