No Fail Sweet Potatoes

1 large can of yams 40oz.
3 tablespoons of butter
½ cup brown sugar
Approximately 1 cup of miniature marshmallows. more or less depending on your preference

Preheat oven to 350 degrees.
Open can of yams and drain juice.
Pour potatoes into a deep baking dish.
Top with butter and brown sugar and gently toss.
Place in oven uncovered and cook until juice is at a hard boil. (around 20-30 minutes)
Take out of oven and top with marshmallows.
Place back in oven until marshmallows are golden brown.

Check potatoes after 15 minutes of baking to make sure they're not at a hard boil.