Easy Sweet Potato Casserole with Marshmallows

Ingredients

• 4 large sweet potatoes (about 3 pounds), peeled and cubed
• ½ cup unsalted butter, melted
• ½ cup brown sugar (light or dark, depending on richness preference)
• ¼ ¼ granulated sugar
• ½ cup whole milk (or half-and-half for extra creaminess)
• 2 large eggs, lightly beaten
• 1 teaspoon vanilla extract
• 1 teaspoon ground cinnamon
• ½ teaspoon ground nutmeg
• ½ teaspoon salt
• 2 cups mini marshmallows
• ½ cup pecans, chopped
• 2 tablespoons butter, melted
• 2 tablespoons brown sugar