Best Peach Dump Cake - simple, sweet, and absolutely delicious! 🍑🍰 Ingredients: 2 cans (15 oz each) sliced peaches in syrup, undrained 1 box yellow cake mix 1/2 cup unsalted butter, melted 1/4 cup brown sugar 1 teaspoon ground cinnamon 1/2 cup chopped pecans (optional)