Peachy Sweet Potato Casserole

In a small prep bowl, combine brown sugar and ground ginger- set aside. Cut butter into small pieces- set aside in a small prep bowl. Drain potatoes, then cut into 1/2 inch pieces. Drain peaches, then cut in half. Using a 1 QT casserole dish, Assemble layers as follows: first layer half the potatoes on the bottom. Sprinkle on half the brown sugar mixture. Dot half of the butter pieces on top. Next layer on half of the peaches. Repeat layers. Sprinkle the toasted pecans on top. Bake uncovered in a 375 degree oven for 30-35 minutes. Top with marshmallows 20 minutes into the baking time. Cool for 5 minutes, and serve.