O’Fallon American Dinner Restaurant & Catering

Walnut Grill is the best place in O’Fallon for casual American dining with a local feel. Our American Eatery offers an outstanding selection of upscale, yet casual dishes using only fresh, quality, local ingredients. Visit Walnut Grill for a meal or trust us to help you host a successful personal event, office party, or get together with corporate and holiday catering.

Learn more about our dinner menu and catering services before getting in touch. It is our goal to make each guest feel welcomed, enjoy their experience, and leave with a sense of satisfaction.


Restaurant Hours, Address and Menu


Upscale Casual American Fare

Take a look at the full menu for this location featuring the following guest favorites: Hand Cut Steaks & Salmon // Crab Cakes // Stuffed Banana Peppers // Ahi Tuna //  Artichokes Spinach Dip  Potstickers // Buffalo Chicken Dip // Grilled Flatbreads // Street Tacos // Roasted Beet Salad // French Onion and more casual American fare.

Everything on our menu is made with fresh, quality ingredients sourced by our Corporate Chef, Randy Simpson. Prefer to enjoy Walnut Grill from home? We now offer contactless Family Meal pickups featuring affordable trays that can feed four to five each. Order various snacks, appetizers, burgers, sandwiches, entrees, desserts, and more for pickup to create a meal your family will love without worrying about cleanup in the kitchen. Curbside pickup is available for your convenience.


Catering – Full Service Catering for Every Event or Gathering

Walnut Grill Catering is your one-stop shop for all of your catering needs in O’Fallon. Choose our upscale American fare to add something special to your next personal event, office party, or any other type of gathering. Beyond providing outstanding food and beverages, Walnut Grill provides door to door service, set-up, and supplies as necessary. If you have any questions regarding our menu or choices or have special requests, please call this restaurant directly. Thank you for considering Walnut Grill for your event, corporate, or holiday catering in O’Fallon!


O’Fallon Holiday Catering

Walnut Grill is the ultimate choice for your holiday catering in O’Fallon. We offer special menus including appetizers, entrées, sides, drinks, and desserts for holidays throughout the year, including:

  • Thanksgiving
  • Hanukkah
  • Christmas
  • New Year’s Eve
  • Easter
  • Mother’s Day
  • Father’s Day
  • Passover
  • Rosh Hashanah
  • Yom Kippur
  • Father’s Day
  • Mother’s Day
  • And more

Our hot and ready dishes will be sure to impress as they bring loved ones around the table for every special holiday this year.

Our holiday catering includes the best breakfast and brunch in O’Fallon. Get in touch with Walnut Grill to inquire about catering for your Mother’s Day brunch, Christmas breakfast, Chanukah breakfast, or Easter breakfast.

Have a celebration outside of these holidays? Walnut Grill also offers great selections for various celebrations and other get-togethers.


O’Fallon Corporate Catering

Make an impact with a delicious, diverse menu at your next corporate meeting or event. Choose Walnut Grill for your corporate catering needs in O’Fallon to enjoy the best casual American fare around while you focus on business.

Regular corporate catering is good for your bottom line. According to the experts, hiring a corporate caterer can provide the following benefits:

  • Corporate catering is great for your company culture.
    • Sharing a meal helps foster community within your business.
  • Investing in your employees will reap big returns.
    • Employees are happier when they have food at work and this also leads to higher employee engagement and ultimately more profits for your business.
  • Catered lunches improve employee recruitment and retention.
    • Small perks like a catered meeting may set your company apart from other competitive businesses in O’Fallon. It is little things like this that can help capture and keep the best talent.
  • Catering can save time and increase productivity.
    • It can be beneficial during meetings or training days to break for 30 minutes with a catered lunch instead of breaking for an hour so everyone can go grab lunch.
  • Everyone loves Walnut Grill
    • Everyone will appreciate a catered meal featuring fresh, high-quality, local ingredients from Walnut Grill. Our diverse menu ensures that we will have something to satisfy everyone and every diet.

Walnut Grill provides door-to-door service, set-up, and supplies for corporate catering. We can accommodate smaller businesses as well as bustling corporations. If you have any questions regarding our menu or choices or have special requests, please call this our O’Fallon location directly. Thank you for considering Walnut Grill for your corporate catering needs!


About Walnut Grill

Walnut Grill American Eatery & Bar is a locally-owned and operated gem that serves the Greater Pittsburgh and Greater St. Louis areas. We operate in Bridgeville, PA, Bethel Park, PA, Wexford, PA, Fox Chapel, PA, Robinson, PA, Washington, PA, Ellisville, MO, O’Fallon, MO, Sunset Hills, MO, and Chesterfield, MO.

Each Walnut Grill location offers a fresh, polished casual dining experience with a diverse, chef-driven menu filled with the best of casual American fare. in a very comfortable and inviting environment. Our O’Fallon location promises a comfortable, inviting environment with a modern, comfortable bar, private dining facilities, and one of the BEST patios in the St. Louis area!

Contact our O’Fallon location if you would like to order online, place a corporate catering order, apply for a job, or make a reservation. We welcome suggestions to improve Walnut Grill and make our restaurant the best place to spend time with family and friends.

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