Easy Cheesy Potato Casserole 

   1 pound Velveeta cheese, cubed 
    2 cups mayonnaise 
    1 (2 pound) package frozen hash brown potatoes, thawed 
    1 white onion, chopped 
    1 (3 ounce) jar real bacon bits 
  Preheat oven to 350F. In the microwave, melt cheese in a large 
 microwave-safe bowl. Stir in mayonnaise, potatoes and onions. Spread 
 in a 9x13 inch baking dish and top with bacon bits. Bake in preheated 
 oven for 1 hour, or until hot and bubbly.