Potato Casserole - cooking recipe

Ingredients

instant mashed potatoes (8 to 10 servings)
1 (8 oz.) pkg. cream cheese
3 Tbsp. chives
2 egg yolks
1 Tbsp. minced onion
cheese

Preparation

Make up the instant mashed potatoes.
Add the remaining ingredients, except cheese.
Pour into buttered casserole; top with cheese.
Bake at 325\u00b0 for 25 to 30 minutes.