Potato Mushroom Pie with Caramelized Onions | Idaho Potato Commission

Ingredients

• Ingredients for Potato Mushroom Pie
• 3 cups prepared mashed Idaho potatoes
• 1 cup button mushrooms (stems intact), sliced 1/3 inch thick
• 1/2 cup portobello mushrooms, cut 1/3 inch thick
• 1/3 cup white onion, grated
• 1 teaspoon fresh lemon juice
• 3 tablespoons butter
• 1/2 to 3/4 cup sour cream
• 1/4 cup + 1/4 cup grated Parmesan cheese
• To taste salt and pepper
• Ingredients for Caramelized Onions
• 1 large sweet yellow onion
• 1 tablespoon olive oil
• 1 teaspoon light brown sugar
• Splash dry white wine