Sweet onion pototaoes augratin

By á-4598

Ingredients

• 2 tbsp. butter
• 1 large or 2 medium sweet vidalia onions, thinley sliced
• 1/2 tsp. ground thyme or dried
• 1 bay leaf, fresh or dried
• 2 lbs. baby yukon gold potatoes
• 1/2 to 2/3 cup cream
• 1/2 cup grated parmigiano reggiano cheese
• 1/2 lbb grated gruyere or other swiss cheese

Preparation

Step 1

1. Heat butter in a skillet over medium heat.
2. Add onions. Season with salt, pepper, thyme and bay leaf.
Cook until very soft, sweet and lightly carmelized, about
20 minutes.
3. Remove bay leaf.
4. While onions cook, place potatoes 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.
5. Mash the potatoes with cream, season with salt and pepper,
and mix in the parmigiano cheese.
6. Preheat broiler. Arrange the potatoes in a shallow casserole
dish. Top with onions and Gruyere cheese.
7. Brown gratin under hot broiler until bubbly, about 2 minutes.