4 freshly cleaned and peeled yams or sweet potatoes cubed
2 tablespoons canola or vegetable oil
1/4 cup butter
1/2 cup pure maple syrup
1/3 cup brown sugar
Salt and black pepper, to taste
Optional: maraschino cherries
Preheat the oven to 350 degrees .
Peel the yams and cut them in cubes or chunks
Use 1/4 of the oil to grease a 12 x 17 inch baking pan lined with parchment paper, coat the yams.
Sprinkle them with salt and pepper and arrange them in the baking pan, flat side down.
Roast for about 40 minutes or until they are, fork tender.
Remove the baking pan from the oven, dot the yams with butter, and pour maple syrup over them.
Sprinkle brown sugar over the yams and bake them or another 10 minutes.
Remove the baking pan from the oven, baste the yams with the liquid in the pan, place into a pie dish or casserole dish then sprinkle the marshmallows over the top and cherries if using.
Broil a few minutes or until the marshmallows have browned.