2 lbs sweet potatoes |
16 fluid ounces whole berry cranberry sauce |
1/2 teaspoon cinnamon |
2/3 cup self-rising flour |
2/3 cup firmly packed brown sugar |
2/3 cup quick-cooking oats, uncooked |
1/4 cup unsalted butter |
2 tablespoons unsalted butter |
1 cup miniature marshmallow |