Sweet Onion Potatoes Au Gratin

By á-1228

Rachael Ray's alternative to the standard mashed potates.

Ingredients

• 2 Tbs butter
• 1 Large or 2 medium sweet onions, such as vidalia, thinly sliced
• salt and pepper
• 1/2 tsp ground thyme or dried
• 2 lbs. baby yukon gold potatoes or fingerling potatoes
• 1/2 to 2/3 cup cream
• 1/2 cup grated Parmigiano-reggiano cheese
• 1/2 cup grated gruyere or other swiss cheese

Details

Servings 4

Preparation

Step 1

Heat butter in a skillet over medium heat. Add onions. Season Well with salt.pepper, thyme. Cook until very soft, sweet and lightly caramelized, about 20 minutes. While onions cook, place potates in pot and cover with water. Bring to a boil, salt the water and cook until tender. 12-15 minutes. Drain and return potatoes to pot. Mash the potatoes with cream, season with salt and pepper and mix in the Parmigiano cheese. Preheat broiler. Arrange the potatoes in individual gratin dishes or a shallow casserole dish. Top with onions and Gruyere cheese. Brown gratin under hot broiler until bubbly, about 2 minutes.