Sweet Potato Gratin
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Sweet Potato Gratin
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Sweet potato gratin is a wonderful baked and creamy side dish that is so easy to prep. Made with simple ingredients and perfect to serve with meat, chicken, seafood and veggie mains.
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Ingredients
- 1.5 lbs sweet potatoes about 2 -3 sweet potatoes, sliced thinly on a mandoline (⅛”)
- 3 Tablespoon butter
- ½ cup onion finely chopped
- 3 - 4 garlic cloves finely minced
- 1 cup heavy whipping cream
- 1 Tablespoon arrowroot starch (or cornstarch)
- Juice of ½ lemon
- 1 cup Parmesan Cheese thinly grated
- salt and pepper to taste
- 1 teaspoon rosemary
Instructions
- Preheat the oven to 400 F and grease the sides of a baking dish with butter or olive oil.
- Heat butter in a small skillet over medium high heat, add chopped onion, and saute until tender and translucent, about 2-3 minutes. Add minced garlic, and cook for 30 seconds until fragrant. Pour heavy whipping cream and stir. In a small bowl, make a slurry of the warm heavy cream and arrowroot starch. Add back to the skillet and stir well until sauce thickens. Turn off the heat and set aside.
- Place sliced sweet potatoes overlapping each other in one layer in the baking dish. Season with salt, pepper, and rosemary. Pour half of the onion mixture, and sprinkle ½ cup of the parmesan cheese on top.
- Place another layer of overlapping sweet potato slices on top. Season them with salt, pepper, and rosemary. Pour remaining onion mixture, and sprinkle remaining Parmesan cheese on top.
- Bake in a preheated oven for 30 - 40 minutes until the sweet potatoes are tender and cooked through. Let the sweet potato gratin cool for 5 - 10 minutes, and serve warm. The sauce will thicken as it cools.
Notes
- Slice the sweet potato evenly so that everything cooks through. A mandolin is the easiest and quickest way to do this.
- If needed, you can brown the top of the gratin under the broiler once it has baked.
- The sweet potatoes should be fork tender once baked.
- To make this vegetarian, use a parmesan cheese without rennet.
Nutrition Information
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Calories
333kcal
(17%)
Carbohydrates
28g
(9%)
Protein
9g
(18%)
Fat
21g
(32%)
Saturated Fat
13g
(65%)
Cholesterol
67mg
(22%)
Sodium
397mg
(17%)
Potassium
453mg
(13%)
Fiber
4g
(16%)
Sugar
6g
(12%)
Vitamin A
16833IU
(337%)
Vitamin C
6mg
(7%)
Calcium
264mg
(26%)
Iron
1mg
(6%)
Nutrition Facts
Serving: 6servings
Amount Per Serving
Calories 333 kcal
% Daily Value*
| Calories | 333kcal | 17% |
| Carbohydrates | 28g | 9% |
| Protein | 9g | 18% |
| Fat | 21g | 32% |
| Saturated Fat | 13g | 65% |
| Cholesterol | 67mg | 22% |
| Sodium | 397mg | 17% |
| Potassium | 453mg | 10% |
| Fiber | 4g | 16% |
| Sugar | 6g | 12% |
| Vitamin A | 16833IU | 337% |
| Vitamin C | 6mg | 7% |
| Calcium | 264mg | 26% |
| Iron | 1mg | 6% |
* Percent Daily Values are based on a 2,000 calorie diet.
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