Vegetable Casserole - cooking recipe

Ingredients

1 bag frozen broccoli, cauliflower, carrots (fully cooked)
1 small container sour cream
1 can cream of mushroom soup
1 tsp. onion (optional)
1 c. Swiss shredded cheese

Preparation

Boil broccoli, cauliflower and carrots for about 10 minutes; drain.
Add and mix in a large bowl the sour cream, cream of mushroom soup, onion and Swiss cheese.
Mix well together.
Pour into baking dish; bake at 350\u00b0 for 20 minutes.
Top with fried onion rings and heat 3 minutes more.
Take out of oven and ready to eat.