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Potatoes Au Gratin are a dinnertime staple around here! Tender potato slices smothered in an addicting cheesy sauce. Au gratin is the ultimate comfort food.

Au Gratin Potatoes

Tender potato slices smothered in an addicting cheesy sauce. Au gratin is the ultimate comfort food.
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Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes

Equipment

  • Mandalin (optional)
  • 9x13 Casserole dish

Ingredients
  

  • 3 pounds red potatoes
  • 1 yellow onion, diced
  • 10.75 ounce can cream of mushroom 
  • 12 ounces evaporated milk
  • 16 ounces Velveeta cheese
  • salt and pepper to taste

Instructions
 

  • Preheat the oven to 375F
  • Clean and dry potatoes
  • Thinly slice (using a mandalin is optional) into 1/8 inch thick slices
  • In a bowl combine all ingredients except for the cheese
  • Get all potato slices nicely coated
  • Transfer to a 9x13 casserole dish
  • Bake for 45 minutes
  • Top with cheese and bake an additional 15 minutes
  • Let stand for 10 minutes before serving