Bacon Cheeseburger Potato Pie

 INGREDIENTS :
1 1⁄2 lbs lean ground beef
1⁄2 cup plain breadcrumbs
1⁄4-1⁄2 cup finely chopped onion
1⁄4 cup ketchup
2 teaspoons prepared mustard
1⁄2 teaspoon salt
3 slices bacon
1 1⁄4 cups water
3 tablespoons margarine or 3 tablespoons butter
1⁄4 teaspoon garlic salt (I use garlic powder though, and extra of it)
3⁄4 cup milk (skim is fine)
2 cups instant mashed potatoes
1 cup shredded cheddar cheese, divided in half
1 medium tomatoes, chopped
2 green onions, sliced (or you can use white onion)

 INSTRUCTIONS :
-Heat oven to 375 degrees F.
-Combine ground beef, breadcrumbs, onion, ketchup, mustard and salt and mix well.
-Press hamburger mixture in bottom and up sides of an ungreased 9 inch pie pan to cover completely.
-Bake in preheated oven for 15 minutes.
-While meat mixture is baking, cook bacon until crisp.
-Drain on paper towel, cool, and crumble.
-Discard bacon drippings or save for another recipe.
-In a medium sauce pan, combine water, margarine and garlic salt.
-Bring to a boil.
-Remove from heat and add milk.
-With a fork, stir in potato flakes.
-Then stir in 1/2 cup of cheddar cheese.
-Remove partially baked"crust" from oven, pour off any fat.
-Spoon potato mixture into crust evenly.
-Return to oven for another 10-15 minutes or until meat is thoroughly cooked, and potatoes are heated through.
-Remove pie from oven.
-Top with tomato, remaining cheese and crumbled bacon.
-Return to oven, and bake for 5 minutes longer, until cheese is melted.
-Remove from oven, top with green onions.
-Let stand 10 minutes before serving.