I don't know about the one you linked, but I've made the one that follows, and you are absolutely correct - the kids love it.

Becky

* Exported from MasterCook *

Broccoli Rice Casserole

Recipe By :Taste of Home
Serving Size : 10 Preparation Time :0:00
Categories :

Amount Measure Ingredient -- Preparation Method
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1 small onion -- chopped
1/2 cup celery -- chopped
10 ounces frozen broccoli -- chopped
1 tablespoon butter
8 ounces processed American cheese
10 3/4 ounces cream of mushroom soup, condensed
5 ounces evaporated milk
3 cups cooked rice

In a large skillet over medium heat, saute onion, celery and broccoli in butter for 3-5 minutes. Stir in cheese, soup and milk until smooth. Place rice in a greased 8 inch square baking dish. Pour cheese mixture over; do not stir. Bake, uncovered, at 325F for 25-30 minutes or until hot and bubbly.
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NOTES : Can use steamed fresh broccoli and regular milk instead.

I am going to substitute the cream of chicken soup for the cream of mushroom instead, next time that I make it. I might also try using American cheese in place of the cheddar. I wonder how swiss cheese would substitute? I used to make a delicious spinach quiche using swiss and it was terrific!!