Mashed Yam Casserole - cooking recipe

Ingredients

4 large yams, peeled and cut into chunks (about 3 lbs)
1 very ripe banana
3 tablespoons butter
3/4 - 1 cup light sour cream
1/4 teaspoon salt
1/8 teaspoon cinnamon
1/8 teaspoon ginger
1/8 teaspoon nutmeg
1 tablespoon butter, melted

Preparation

Preheat oven to 350. Lightly spray a 2 quart casserole dish with nonstick cooking spray.
Boil yam chunks in salted water until tender (about 10-15 minutes, depending on the size of your chunks). Drain.
Place cooked, drained yam chunks in a large bowl. Add banana. Mash together with a potato masher.
Add 3 tbsp butter and the sour cream. Mash to combine well. Mash in the salt, cinnamon, ginger and nutmeg.
Place mashed mixture into prepared casserole dish. Evenly drizzle with the 1 tbsp melted butter.
Bake uncovered, at 350 for 20 minutes or until top just begins to slightly brown.