Creamy Scalloped Sweet Potatoes with Smoked Gouda and Fresh Rosemary - Recipe By Me

Ingredients

• 3 lbs sweet potatoes, peeled and thinly sliced into ⅛-inch rounds
• 2 medium red onions, thinly sliced
• ½ tablespoon fresh rosemary leaves, roughly chopped
• 8 oz smoked gouda cheese, grated
• 8 oz asiago cheese, grated
• 1 teaspoon smoked paprika
• ¼ teaspoon ground sage
• 2 teaspoons garlic powder
• ¼ teaspoon salt
• ¼ teaspoon fresh ground black pepper
• ½ cup heavy cream
• 4 tablespoons butter, melted
• 1 cup sour cream
• 2 cups milk
• ¼ cup cornstarch