Buttermilk Ranch Potato Gratin

Creamy potato gratin casserole topped with gooey cheese and perfectly crispy bacon. Great side dish to any meat dish. 

Course Main Course
Cuisine American
Keyword vegetables
Prep Time 15 minutes
Cook Time 1 hour 30 minutes
Total Time 1 hour 45 minutes
Servings 4 servings
Calories 685 kcal
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
US Customary - Metric


  1. Preheat oven to 375 degrees F.
  2. Grease a 13" x 9" casserole dish. Set aside.
  3. 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.
  4. In a large skillet, cook bacon to crispy. Remove onto a paper towel lined plate.
  5. 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.
  6. Arrange one layer of potato slices in the prepared casserole dish. Sprinkle with Parmesan cheese. Repeat one more layer.
  7. 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.
  8. Cover dish with aluminum foil and bake for 1 hour.
  9. Remove the foil and bake 30 more minutes.
  10. Let casserole cool for 15 minutes before serving.
  11. Garnish with remaining bacon and chives and serve.

Recipe Notes

Original Recipe: Hidden Valley

Nutrition Facts
Buttermilk Ranch Potato Gratin
Amount Per Serving
Calories 685 Calories from Fat 333
% Daily Value*
Fat 37g57%
Saturated Fat 17g106%
Cholesterol 89mg30%
Sodium 1317mg57%
Potassium 1806mg52%
Carbohydrates 52g17%
Fiber 12g50%
Sugar 12g13%
Protein 40g80%
Vitamin A 3055IU61%
Vitamin C 97mg118%
Calcium 874mg87%
Iron 8.9mg49%
* Percent Daily Values are based on a 2000 calorie diet.