I Don't Know

I Don't Know Serving up good food, good vibes, and a little confusion since day one. Belleville’s spot for comfort food, Mediterranean flavors, and everything in between.

Come hungry, leave happy. We serve what you didn’t know you wanted.

IDK Cali Clucker ☀️🐔🥖Our signature tender grilled chicken smothered in melted provolone cheese, topped with fresh lettuc...
06/11/2026

IDK Cali Clucker ☀️🐔🥖

Our signature tender grilled chicken smothered in melted provolone cheese, topped with fresh lettuce, juicy tomatoes, and ranch on a toasted hoagie.

🍄☕️ Mushroom coffee? Trust us. One sip of our Mushroom Iced Coffee with Vanilla Cold Foam and you’ll get the hype. 😋
06/06/2026

🍄☕️ Mushroom coffee? Trust us. One sip of our Mushroom Iced Coffee with Vanilla Cold Foam and you’ll get the hype. 😋

National Hamburger Day done right 🍔🔥Turkey, Beef, Crispy Chicken…Load it up with bacon, gyro meat, extra cheese…or don’t...
05/28/2026

National Hamburger Day done right 🍔🔥

Turkey, Beef, Crispy Chicken…
Load it up with bacon, gyro meat, extra cheese…or don’t. Celebrate YOUR way at IDK.

📍I Don’t Know Restaurant & Grill…We have what you crave.

‏Eid Mubarak 🌙
05/26/2026

‏Eid Mubarak 🌙

FYI: Baklava calories don’t count during emotional situations.
05/16/2026

FYI: Baklava calories don’t count during emotional situations.

Our food just hits different 🌮🔥From family parties to office lunches and graduations…I Don’t Know Restaurant & Grill ca...
05/13/2026

Our food just hits different 🌮🔥

From family parties to office lunches and graduations…I Don’t Know Restaurant & Grill catering has you covered 💜

Fresh ingredients, generous portions, and all your favorites in one setup.

📩 Message us to book your next event!

I Don’t Know Restaurant & Grill has what you crave 😋

05/09/2026

🌸💜 Mother’s Day at IDK 💜🌸
This Sunday, we’re celebrating the women who do it ALL…the moms, bonus moms, grandmas, aunties, and mother figures who keep the world spinning 🌎

🍽️ Bring Mom to I Don’t Know Restaurant & Grill and let us do the cooking 😌

💕 Mother’s Day Special:
✨ FREE drink for all moms
✨ Family-friendly favorites + all the comfort food you crave
✨ Good food. Good laughs. Good memories.

05/05/2026

Some teach.
Some heal.
All make a difference.

This week, we’re showing love to the people who show up every single day.

🍎 Teachers
🩺 Nurses
🧸 Childcare & preschool staff
…and the entire team behind them

👉 Show your ID = FREE Large Lemonade on us

📅 May 5–8, 2026 | While supplies last

Because taking care of others deserves something back. 💜

04/30/2026

The Lesson Plan You Don’t Have to Write 🥤

No emails.
No lesson plans.
No “one more thing before you leave.”

Just love and appreciation💜

If you work in ANY school setting—we mean ALL:
🍎 Teachers
🧸 Preschool & childcare staff
🚌 Bus drivers
🧹 Custodians
📋 Office staff
👩‍🏫 Aides & assistants

👉 Show your school ID = FREE Large Lemonade on us
(no purchase necessary)

📅 May 4–8, 2026 | While supplies last

Because schools don’t run on one person…they run on YOU.

Our hearts are heavy today. 💛We’re holding the families of Jozie and Elsa close in our thoughts and prayers.To our commu...
04/16/2026

Our hearts are heavy today. 💛
We’re holding the families of Jozie and Elsa close in our thoughts and prayers.

To our community…hug your people a little tighter today.

We’re here, always, as a place of comfort, kindness, and community.

Address

4004 W Main Street
Belleville, IL
62226

Opening Hours

Tuesday 10am - 10pm
Wednesday 10am - 10pm
Thursday 10am - 10pm
Friday 10am - 12:45pm
2:15pm - 10pm
Saturday 10am - 10pm
Sunday 11am - 8pm

Telephone

+16186419181

Website

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