Scalloped Sweet Potatoes Au Gratin

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish.

Combine cream milk nutmeg cinnamon salt and black pepper in a large saucepan over medium heat. Add sweet potatoes and simmer until sauce is thickened and sweet potatoes are almost tender 10 to 15 minutes. Transfer mixture to the prepared baking dish.

Combine panko bread crumbs Cheddar cheese and butter in a bowl; sprinkle topping over sweet potato mixture.

Bake in the preheated oven until potatoes are tender and cheese topping is browned and bubbling 35 to 45 minutes.