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5 from 2 votes

Buttermilk Ranch Potato Gratin

Creamy potato gratin casserole topped with gooey cheese and perfectly crispy bacon. Great side dish to any meat dish. 
Prep Time15 mins
Cook Time1 hr 30 mins
Total Time1 hr 45 mins
Course: Main Course
Cuisine: American
Keyword: vegetables
Servings: 4 servings
Calories: 685kcal
Author: Anna


  • 2 lbs baking or golden potatoes washed, unpeeled, sliced thinly
  • 8 slices of bacon chopped into 1/2" pieces
  • 1 head savoy cabbage
  • 1/4 cup finely chopped fresh chives
  • 2 cups grated Parmesan cheese
  • 1 pkt Hidden Valley Original Ranch Salad Dressing and Seasoning Mix
  • 2.5 cups buttermilk
  • salt and pepper to taste


  • Preheat oven to 375 degrees F.
  • Grease a 13" x 9" casserole dish. Set aside.
  • In a large mixing bowl, combine thin slices of potatoes, buttermilk, 1 cup of Parmesan cheese and 1 packet of Hidden Valley Ranch seasoning mix. Toss to coat. Set aside.
  • In a large skillet, cook bacon to crispy. Remove onto a paper towel lined plate.
  • To bacon grease, add shredded cabbage and cook until wilted. Remove from heat, add salt and pepper and 3/4 of the bacon and 3/4 of chopped chives. Reserve the rest for garnish.Toss everything together.
  • Arrange one layer of potato slices in the prepared casserole dish. Sprinkle with Parmesan cheese. Repeat one more layer.
  • Arrange cabbage and bacon layer over potatoes. Top with two more layers of potato slices. Add about 1/2 of the buttermilk mixture, enough to slightly cover the last potato layer. Top with Parmesan cheese.
  • Cover dish with aluminum foil and bake for 1 hour.
  • Remove the foil and bake 30 more minutes.
  • Let casserole cool for 15 minutes before serving.
  • Garnish with remaining bacon and chives and serve.


Original Recipe: Hidden Valley


Calories: 685kcal | Carbohydrates: 52g | Protein: 40g | Fat: 37g | Saturated Fat: 17g | Cholesterol: 89mg | Sodium: 1317mg | Potassium: 1806mg | Fiber: 12g | Sugar: 12g | Vitamin A: 3055IU | Vitamin C: 97mg | Calcium: 874mg | Iron: 8.9mg