Potato and Ground Beef Gratin. Spread half of the potatoes in baking dish. Top with beef; spread remaining potatoes over beef. Top with beef; spread remaining potatoes over beef.

I followed tips from other comments and it turned out delicious. Delicious layers of beef, potatoes and cheese in this beef and potato au gratin made easily in the Instant Pot - a definite winner for any family! Brown ground beef using vegetable oil. You can cook Potato and Ground Beef Gratin using 10 ingredients and 6 steps. Here is how you cook it.

Ingredients of Potato and Ground Beef Gratin

1. It's 1 lb of Ground Beef.
2. Prepare 1 tsp of salt.
3. It's 1/2 tsp of pepper.
4. It's 3 tbsp of butter or margarine.
5. Prepare 1/4 cup of chopped onion.
6. Prepare 3 tbsp of all-purpose flour.
7. It's 2 tsp of freth thyme leaves.
8. It's 3 cup of milk.
9. You need 3 cup of shredded mild Cheddar cheese (12 oz.).
10. It's 6 medium of white potatoes, peeled, thinly clliced.

Set aside and sprinkle with seasoned salt. Arrange browned beef on top of potato mixture. In a small bowl combine mushroom soup, sour cream and milk. Add one layer of potato slices to the bottom of the recipe, best, easy, ideas, potluck, casserole, potatoes, potato, cheese, cheesy, au gratin.

Potato and Ground Beef Gratin instructions

1. Heat oven to 375°F. Spray 13x9-inch (3-quart) glass baking dish with cooking spray..
2. In 10-inch skillet, cook beef, salt and pepper over medium-high heat 5 to 7 minutes, stirring frequently, until beef is thoroughly cooked; drain..
3. Meanwhile, in 3-quart saucepan, melt butter over medium-low heat. Add onion; cook about 2 minutes, stirring occasionally, until tender. Stir in flour. Cook 1 to 2 minutes, stirring constantly, until bubbly; remove from heat. Stir in thyme..
4. Stir milk into onion mixture. Heat to boiling, stirring constantly. Boil and stir 1 minute; remove from heat. Stir in 2 cups of the cheese until melted..
5. Spread half of the potatoes in baking dish. Top with beef; spread remaining potatoes over beef. Pour cheese sauce over potatoes..
6. Cover with foil; bake 45 minutes. Sprinkle remaining 1 cup cheese over potatoes. Bake uncovered 15 to 20 minutes longer or until top is brown and bubbly and potatoes are tender. Let stand 5 minutes before serving.

The best potatoes to use for au gratin potatoes are russets; they have the most starch and make the creamiest sauce. You may be tempted to cut calories by using half & half or milk in place of the cream. Potatoes au Gratin is the ultimate potato recipe! French classic with layers of thinly sliced potato, cream, butter, garlic and cheese, you can't go Potatoes au Gratin - forget scalloped potatoes, THIS is the creme de la creme of all potato recipes!! Layer one-third of the potatoes into the prepared dish (save the best-looking pieces for the top).