Devonshire Potato-Mushroom Pie

3 Cups Seasoned Mashed Potatoes

1 1/2 Cups Sliced Fresh Mushrooms

1/4 Cup Chopped Onions

2 Tablespoons Butter

1 Teaspoon Lemon Juice

1/4 Teaspoon Salt

Dash Ground White Pepper 1/2 Cup Sour Cream

1. Preheat oven to 350 degrees F.

2. Place half of the mashed potatoes in a buttered 9-inch pie plate.

3. Saute the mushrooms and onion in the butter. Add the lemon juice, salt and pepper and spoon over the potato layer. Spread with sour cream. Top with remaining potatoes.

4. Bake for 45 minutes, until brown. To serve, cut into wedges.