Created by Chef Potpie on September 28, 2016
Step 1: Preheat oven to 350*.
Step 2: Mix together flour, brown sugar, oats, and cinnamon; cut in butter.
Step 3: In large bowl, toss half of the crumb mixture with the yams and cranberry sauce and arrange in casserole dish.
Step 4: Sprinkle remaining crumb mixture on top.
Step 5: Bake for 35 minutes.
Step 6: Place marshmallows on top and put under broiler until marshmallows are golden brown and toasty. (Watch them closely so they don't burn!)