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Jack in The Box
910 Bryan Rd
O Fallon, MO 63366
Uber
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Menu
Snacks & Sides
Seasoned Curly Fries
These Curly Fries are seasoned, alright. Seasoned veterans. They've been around the block—gathering deliciousness and flavor from all over. So, they know how to make your mouth water. And your tastebuds do their secret handshake
- Small $2.19
- Medium $2.39
- Large $2.69
Regular Fries
Most French fries in the world don't deserve their own description, but Jack's do. Because these lightly salted, real potatoes are fried to crispy perfection and served hot and salty. They're just that tasty
- Small $1.99
- Medium $2.29
- Large $2.49
Jack's Deals
Jumbo Jack
$3.19
When you pick up the Jumbo Jack—made with a 100% beef patty topped with hand leafed lettuce, tomato, pickles, chopped onions, and real mayonnaise on a buttery bakery bun—your arms will tremble. And your mouth will open. It's the delicious type of workout
Jr. Jumbo Jack
$1.59
Anywhere else this Jr. Jack would be senior. Because there is nothing junior about this honest-to-goodness beef patty topped with tomato, pickle, lettuce, and chopped onions— with the just-right amount of ketchup and real mayonnaise. But here? It's got some growing up to do
Burgers a la Carte
Bacon & Swiss Buttery Jack
$5.29
Sometimes, a burger comes along that makes other burgers whimper in fear. This is that burger. Because this ¼ lb. (Weight before cooking) signature beef patty is topped with melted garlic herb butter, hickory smoked bacon, Swiss cheese, and creamy bacon mayo—and it's all on a gourmet signature bun. Don't apologize, it'd be weirder if you weren't drooling right now
Classic Buttery Jack
$5.19
Melted garlic herb butter on a juicy ¼ lb. (Weight before cooking) beef patty. Need we say more? Nay. But we will anyway. Because this beautiful burger has all the fixins'—provolone cheese, creamy tomato sauce, green leaf lettuce, and fresh sliced tomatoes, all on a Gourmet Signature Bun. Need we say more? Nay. For real, this time
Chicken a la Carte
Jack's Spicy Chicken
$4.69
You know Jack's Spicy Chicken® is delicious when Jack— the man himself—puts his name on it. Every bite of this tasty heat wave means spicy crispy all-white meat chicken with fresh sliced tomato, lettuce and real mayonnaise all on a buttery bakery bun. Yeah, your stomach owes Jack a thank you card
Sourdough Grilled Chicken Club
$5.39
The password to this club? "Grilled all-white meat chicken topped with bacon, Swiss-style cheese, lettuce, tomato and real mayonnaise on toasty sourdough bread." That's right, it's quite a mouthful. Don't think that wasn't on purpose
Desserts
Chocolate Overload Cake
$1.79
If you're looking for vanilla, you've made a wrong turn. Because this is a rich chocolate cake made with cocoa, bittersweet chocolate chips and then drizzled with chocolate buttercream icing. That's some chocolatey chocolate chocolateness. That's what that is
Cheesecake
$1.79
The Big Apple has relocated to your mouth. And it's not literally an apple. It's a light and creamy cheesecake with a graham cracker crust. That's way tastier than some overrated piece of fruit