They're just crackers tossed with oil, pepper flakes, and dry Ranch dressing mix. Seriously. I love them instead of popcorn, and I make mine even a little spicier than the recipe recommends.
Give them a try, I'm betting you'll like them. A LOT.

1 (16 ounce) package unsalted oyster crackers
1 cup canola oil
2 teaspoons crushed red pepper flakes
1 (1 ounce) package dry ranch salad dressing mix
Place the crackers all into a 1 gallon size glass jar with a tight fitting lid. In a small bowl, stir together the canola oil, red pepper flakes, and ranch dressing mix. Pour over the crackers in the jar.
Close the lid tightly, and roll the jar every 5 minutes for about 1 hour to coat with the spice mixture. The longer these sit, the better they get!
Store tightly covered.