Creamy Mushroom Potato Bake

• Ready In: 1 hr 10 mins
• Serves: 10

Ingredients

• 2 1⁄2-3  lbs white potatoes, peeled
• 1  onion, finely chopped
• 1⁄2 lb fresh mushrooms, chopped
• 3  tablespoons butter or 3  tablespoons margarine, divided
• 1⁄2 cup sour cream
• 1  teaspoon salt
• 1⁄2 teaspoon pepper
• 1⁄4 cup  grated parmesan cheese

Directions

1. In a saucepan of boiling salted water, cook potatoes until tender; drain and mash.
2. In a skillet, melt 2 tablespoons butter; saute onion and mushrooms for 3-4 minutes or until tender.
3. Stir into potatoes; add sour cream, salt, and pepper; mix well.
4. Spoon into a greased 2 quart baking dish.
5. Sprinkle with Parmesan.
6. Dot with remaining butter.
7. Bake, uncovered at 400 degrees for 20-25 minutes or until heated and golden brown.