Preheat oven to 350 degrees. Lightly grease a baking dish.
Cook potatoes in boiling water for 20 minutes. Drain. Add milk and mash potatoes. Add ½ Cup of cheese, seasoning, green onions, sour cream, and egg. Mix well and transfer to baking dish
Sprinkle the rest of the cheese on top
Bake for 20 - 30 minutes uncovered ( top should be lightly golden brown)
Enjoy!
Recipe by Budget Savvy Diva at https://www.budgetsavvydiva.com/2013/03/baked-potato-casserole-recipe/