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Au Gratin Potatoes Box

Classic & Upgraded Au Gratin Potatoes Box

This is the ultimate way to turn a boxed au gratin potatoes into pure comfort food!
Prep Time 10 minutes
Cook Time 40 minutes
5 minutes
Total Time 53 minutes
Course Side Dish
Cuisine American, French-inspired

Equipment

  • Baking dish (8x8 or 9x13)
  • Mixing bowl
  • Whisk
  • Oven or stovetop
  • Measuring cups & spoons
  • Wooden spoon or spatula

Ingredients
  

  • 1 box au gratin potatoes mix
  • 2 cups water
  • 1 cup milk or half-and-half for creamier texture
  • 2 tbsp butter
  • ½ cup shredded cheddar or Gruyère cheese
  • 2 tbsp sour cream or cream cheese
  • ½ tsp garlic powder or minced garlic
  • ¼ cup cooked bacon bits optional
  • ¼ cup caramelized onions optional
  • ¼ cup breadcrumbs mixed with melted butter for crispy topping
  • 1 tsp chopped fresh parsley or chives for garnish

Instructions
 

Step 1: Preheat & Prepare

  • Preheat oven to 400°F (200°C). Grease a baking dish lightly with butter.

Step 2: Make the Sauce

  • In a mixing bowl, whisk together the seasoning packet from the box, milk, water, and butter until well combined.
  • (Optional) Stir in garlic powder, shredded cheese, and sour cream for extra creaminess.

Step 3: Assemble the Dish

  • Place the dehydrated potatoes from the box evenly in the baking dish.
  • Pour the prepared cheese sauce mixture evenly over the potatoes.

Step 4: Bake to Perfection

  • Bake uncovered for 30-40 minutes until the potatoes are tender and the top is bubbly.
  • (Optional) Sprinkle breadcrumbs and extra cheese on top, then broil for 5 minutes for a golden crust.

Step 5: Let It Rest & Serve

  • Let the dish sit for 5 minutes before serving to thicken the sauce.
  • Garnish with chopped parsley or chives, then serve warm!
Keyword Au gratin potatoes box, cheesy potatoes, easy side dish, comfort food, potato casserole