Rosemary Au Gratin Potatoes
Creamy rosemary au gratin potatoes feature tender sliced potatoes in a rich, cheesy sauce with aromatic herbs, perfect for comforting family dinners or special gatherings.
Ingredients
- 1/4 cup butter or margarine ⓘ
- 1/4 cup all-purpose flour ⓘ
- 2 cups half and half cream ⓘ
- 1 tablespoon minced fresh rosemary or 1 teaspoon dried rosemary, crushed ⓘ
- 1 garlic clove, minced ⓘ
- 1 teaspoon salt ⓘ
- 1/4 teaspoon pepper ⓘ
- 3 pounds potatoes, peeled and sliced 1/8-inch thick ⓘ
- 2/3 cup grated Parmesan cheese ⓘ
Instructions
- In a large saucepan, melt butter over medium heat.
- Stir in flour until smooth.
- Gradually add the cream, bringing to a boil.
- Cook and stir for 2 minutes or until thickened.
- Remove from the heat.
- Stir in the rosemary, garlic, salt, pepper, and sliced potatoes.
- Transfer to a greased 13 x 9 x 2-inch baking dish.
- Sprinkle with grated Parmesan cheese.
- Cover and bake at 350°F for 45 minutes.
- Uncover and bake for an additional 10 to 15 minutes or until potatoes are tender.
Tips & Substitutions
For a creamier texture, you can substitute some of the half and half with heavy cream. If fresh rosemary is unavailable, dried rosemary works well, just use less. To save time, consider using pre-sliced potatoes. Ensure even cooking by slicing potatoes uniformly. This dish also pairs beautifully with Crunchy Potato Casserole for a comforting meal.
Serving Suggestions
Serve the rosemary au gratin potatoes as a side dish to roasted meats or grilled vegetables. They complement well with a fresh green salad or steamed broccoli. This dish is perfect for holiday gatherings or special occasions, and it pairs wonderfully with Hall'S Chocolate Cake for dessert.
Storage & Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and warm in a preheated oven at 350°F until heated through, about 20-25 minutes. You can also microwave individual portions, but the oven will help maintain the texture.
Nutrition & Diet Analysis (per serving)
Each serving of Rosemary Au Gratin Potatoes contains roughly 1623 calories, with 4g protein, 11g carbohydrates, and 174g fat. It is a good source of vitamin C (10% of the Daily Value). Note that it is relatively high in sodium, at 969mg per serving (42% of the Daily Value).
Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.
* % Daily Values based on a 2,000 calorie diet (FDA 2020).
Frequently Asked Questions
Can I use different types of cheese in this recipe?
Yes, you can experiment with different cheeses such as Gruyère or cheddar for a different flavor profile. Just ensure the cheese you choose melts well to maintain the creamy texture of the dish.
Can I make this dish ahead of time?
Absolutely! You can prepare the au gratin potatoes up to a day in advance. Just assemble everything in the baking dish, cover it tightly, and refrigerate. When ready to bake, let it sit at room temperature for about 30 minutes before popping it into the oven.
What type of potatoes work best for au gratin?
Starchy potatoes like Russets or Yukon Gold are ideal for au gratin dishes as they become tender while baking and absorb the creamy sauce beautifully. Avoid waxy potatoes, as they won't yield the same creamy texture.
Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).