Wash and peel the potatoes. Cut them into ¾” cubes.
Fill a large saucepan with water and set to medium high heat so that the water boils.
Add the potatoes to the hot water and cook until the potatoes are slightly softened.
Drain the potatoes and set aside.
Preheat the oven to 350 degrees Fahrenheit.
Spray a 9x13 baking pan or 3 quart casserole dish with cooking spray.
Add the potatoes to the prepared dish.
Add the chopped onion, bread cubes, Velveeta, melted butter and milk.
Sprinkle the shredded cheese overtop.
Bake in a 350 degree oven for 25-30 minutes or until bubbly and heated through.
The calories shown are based on the recipe serving 10, with 1 serving being 1/10 of the potatoes. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate. **We are not dietitians and recommend you seek a nutritionist for exact nutritional information.**