1/2 cup uncooked white rice
10 ounces broccoli florets
10 ounces cauliflower florets
1/2 cup butter
1 onion, chopped
1 pound processed cheese food, cubed
1 (10.75 ounce) can condensed cream of chicken soup
5 3/8 fluid ounces milk
1 1/2 cups crushed buttery round crackers

In a saucepan bring water to a boil. Add rice and stir. Reduce heat, cover and simmer for 20 minutes. Drain and set aside.
Simmer broccoli and cauliflower florets in water for 10 minutes, or until crunchy. Meanwhile, preheat oven to 350.
In a large saucepan, melt butter and saute onion. Stir cauliflower, broccoli and rice into the saucepan. Once the vegetables and rice are coated, stir in the cheese, chicken soup and milk. Transfer the entire mixture to a 9x13 inch baking dish and sprinkle the crackers on top.
Bake in a preheated 350 oven for 30 minutes.