A bowl of kettle corn is heaven to some, and now you can even score Orville Redenbacher's Kettle Korn at the movies.

But for those moments when you're craving crunchy sweet and salty at home, is Orville's microwave kettle corn a good choice?

How many calories in a bag of Orville Redenbacher's microwave Kettle Korn? Because let's be honest here, once the stuff starts popping, you're likely eating the whole bag.

Read on for the calorie answer, and surprise news: Orville's sweet kettle taste comes from a chemical, not real sugar.

Parent company ConAgra's Web site lists 180 calories per serving, but a box purchased yesterday reveals 170 calories, 13 grams of fat and 7 grams saturated fat. Going with the lower number, at 170 calories per serving and 2.5 servings per 3.3-ounce microwaveable bag, total calorie count is 410 for the whole thing. You're also crunching more than 30 grams of fat, more than half of it saturated. Holding hands with a giant tub of Orville's Kettle Korn at the movies is a bad diet date.

Now what about sugar? ConAgra's nutritional label listed 0 grams of sugar. Huh? Turns out the secret sweet ingredient is sucralose (the stuff Splenda is made from). Let's call this what it is -- chemical kettle corn. However there's always healthy popcorn.