Sweet Onion Pie - cooking recipe

Ingredients

3 medium onions
1/2 c. butter
3 eggs
1 c. sour cream
1/4 tsp. salt
1/2 pepper
1/4 tsp. cayenne pepper
1/2 c. grated parmesan cheese
1 9 inch pie shell

Preparation

Preheat oven to 450\u00b0. Thinly slice onions. Saute onions in butter until soft and transparent. Remove from heat. In separate bowl, combine eggs, sour cream, salt, and peppers until smooth. Pour onions into pie shell. Pour egg mixture over onions. Sprinkle cheese on top. Bake at 450\u00b0 for 15 minutes, then lower oven temperature to 350\u00b0 until top is lightly brown, about 30 minutes.