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A golden brown cheesy beef and potato casserole in a glass baking dish

Cheesy Ground Beef and Potato Casserole

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Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Servings: 6 servings
Calories: 450
Ingredients Method

Ingredients
  

  • 1 lb lean ground beef
  • 1 medium onion , diced
  • 2 cloves garlic , minced
  • 2 lbs Russet potatoes, peeled and sliced 1/8-inch thick
  • 3 tablespoons unsalted butter
  • 3 tablespoons all -purpose flour
  • 2 cups whole milk
  • 2 cups shredded sharp cheddar cheese, divided
  • 1 teaspoon sal t
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon paprik a

Method
 

  1. Preheat oven to 375 degrees Fahrenheit (190 degrees Celsius) and grease a 9x13 inch baking dish.
  2. In a large skillet over medium heat, brown the ground beef and onion until the beef is fully cooked and onions are translucent. Stir in minced garlic and cook for 1 minute before draining excess grease.
  3. In a medium saucepan, melt butter over medium heat. Whisk in flour and cook for 60 seconds to form a roux.
  4. Slowly whisk in milk and continue stirring until the sauce thickens and reaches a light simmer.
  5. Remove the sauce from heat and stir in 1.5 cups of cheddar cheese, salt, pepper, and paprika until the cheese is completely melted.
  6. Arrange half of the potato slices in an even layer at the bottom of the prepared baking dish.
  7. Spread the cooked beef and onion mixture over the first layer of potatoes.
  8. Place the remaining potato slices over the beef layer.
  9. Pour the cheese sauce evenly over the entire casserole.
  10. Cover the dish tightly with aluminum foil and bake for 45 minutes.
  11. Remove the foil, sprinkle the remaining 0.5 cup of cheese on top, and bake for another 15 minutes until potatoes are soft and the top is golden brown.