01 -
Preheat the oven to 325°F and lightly grease a 9x13 inch baking dish.
02 -
In the prepared baking dish, mix together the diced potatoes, shredded cheddar cheese, crumbled bacon, minced garlic, and chopped onion.
03 -
Add the mayonnaise to the mixture and stir well to coat all components evenly.
04 -
Bake for 90 minutes or until the potatoes are tender and the top is golden brown.
05 -
Remove from the oven and serve hot.