Cheesy Potato Puff

Ingredients:

• ¼ c. butter
• 1 medium onion, diced
• 1 egg
• ¼ c. sour cream
• ½ c. fancy shredded Parmesan cheese (retain 2 T for topping)
• 1 c. shredded cheddar cheese (retain 2 T for topping)
• ½ tsp. baking powder
• 2-24oz pkgs. Reser’s Sensational Sides prepared mashed potatoes

Directions:

1. Preheat oven to 350°F
2. Melt butter in pan and add onion, stirring occasionally until onion is soft and carmelized. In a separate bowl, beat egg and stir in sour cream. Add cheddar and Parmesan cheeses and baking powder. Stir in potatoes. Add carmelized onions. Transfer mixture to buttered casserole dish.
3. Bake at 350°F for 40-45 min.

Yield:

Serves a party of 6 or more.