Sweet Onion Potatoes Au Gratin
- Level: Easy
- Yield: 4 servings
-
- Nutritional Analysis
- Per Serving
- Serving Size
- 1 of 4 servings
- Calories
- 683
- Total Fat
- 42
- Saturated Fat
- 25
- Carbohydrates
- 49
- Dietary Fiber
- 6
- Sugar
- 7
- Protein
- 30
- Cholesterol
- 138
- Sodium
- 996
- Total: 30 min
- Prep: 5 min
- Cook: 25 min
Ingredients
2 tablespoons butter
1 large or 2 medium sweet onions, such as Vidalia, thinly sliced
Salt and freshly ground black pepper
1/2 teaspoons ground thyme
1 bay leaf, fresh or dried
2 pounds baby Yukon gold potatoes or fingerling potatoes
1/2 to 2/3 cup cream
1/2 cup grated Parmigiano-Reggiano cheese
1/2 pound brick Gruyere or Swiss
Directions
- Heat skillet with butter over medium heat, add onions, season with salt and pepper and ground thyme, bay leaf and cook until very soft and sweet and lightly caramelized, 20 minutes. Remove bay leaf.
- While onions cook, place potatoes in pot and cover with water, bring to boil, salt water and cook to tender, 12 to 15 minutes, drain and return to hot pot. Mash the potatoes with cream, season with salt and pepper and mash in Parm.
- Arrange mashed potatoes in individual gratin dishes or 1 shallow casserole. Top potatoes with onions and Gruyere cheese. Brown the sweet onion and potato gratins under hot broiler 2 minutes until bubbly.