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.

🍄☕️ 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.

04/15/2026

No need to convince anyone… just pull up 😌
Dinner’s already figured out 💜

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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