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Herbed Coconut Milk Potatoes Au Gratin
4.4 from 144 votes

Herbed Coconut Milk Potatoes Au Gratin

This Herbed Coconut Milk Potatoes Au Gratin features thinly sliced potatoes layered with a savory sauce made from full-fat canned coconut milk infused with garlic, rosemary, thyme, and seasoning. The dish is topped with Gruyère cheese and baked until golden and bubbly, offering a creamy texture and rich, herbal flavor without traditional dairy cream. The layers of tender potatoes and fragrant sauce create a comforting side dish suitable for those seeking a dairy-free or alternative creamy gratin.

Prep Time
30 mins
Cook Time
1 hr 10 mins
Total Time
1 hr 40 mins
Servings: 12 servings
Calories: 367 kcal
Course: Side Dish
Cuisine: American

Ingredients

  • 2 coconut milk full-fat, canned, 14 oz cans
  • 1 tablespoon salt or 2 teaspoons regular table salt, sea salt
  • 2 teaspoons garlic finely minced
  • 2 teaspoons rosemary fresh
  • 2 teaspoons thyme fresh
  • black pepper freshly ground
  • 5 lbs potatoes peeled and thinly sliced, gold or russet
  • 3 tablespoons butter or vegan butter spread
  • 2 1/2 tablespoons all-purpose flour or regular AP flour, gluten-free
  • 3 cups gruyere cheese or non-dairy cheese of choice, grated

Instructions

    Cup of Yum
  1. Preheat the oven to 375° F. Lightly grease a 9 x13 inch baking dish.
  2. In a medium saucepan bring Coconut Milk, salt, garlic, rosemary, thyme and pepper to taste, to a boil. Turn off heat and set aside. Note: mixture will taste salty alone but not when combined with potatoes.
  3. Wash potatoes well, slice thinly and cover with cold water. Set aside.
  4. Melt butter or (or vegan spread) in a medium-size saucepan over medium heat. Whisk in flour until smooth. Cook, whisking constantly, until mixture turns a golden brown color.
  5. Slowly whisk in the herbed coconut milk, a bit at a time. Stirring, bring to a boil and remove from heat.
  6. Drain potatoes and layer 1/3 on bottom of baking dish, overlapping each slice about half way. Pour 1/3 coconut sauce over potatoes and sprinkle with 1 cup of cheese. Repeat layers 2 more times, only reserving last cup of cheese for later.
  7. Cover with foil and bake 45 minutes. Remove foil and sprinkle with cheese. Bake uncovered 15-20 additional minutes. If potatoes are soft and a darker color is desired, broil potatoes until cheese is nicely browned.

Nutrition Information

Serving 1of 12 Calories 367kcal (18%) Carbohydrates 34g (11%) Protein 14g (28%) Fat 21g (32%) Fiber 3g (12%) Sugar 2g (4%)

Nutrition Facts

Serving: 12 servings

Amount Per Serving

Calories 367

% Daily Value*

Serving 1of 12
Calories 367kcal 18%
Carbohydrates 34g 11%
Protein 14g 28%
Fat 21g 32%
Fiber 3g 12%
Sugar 2g 4%

* Percent Daily Values are based on a 2,000 calorie diet.