Restaurants
G-Ma's Diner
Welcome to

G-Ma's Diner

About G-Ma's Diner

Discover G-Ma's Diner, a top-rated Diner in Mills, WY, where great food and live entertainment come together for a memorable night out. With a 4.70-star rating from 1045 reviews, we’re known for great service and quality and accessible facilities that make every visit enjoyable.

★★★★★ 4.70 rating (1045 reviews)
0
Star Rating
0
Guest Reviews
0
Photos
0
Independent Reviews
G-Ma's Diner interior
Est. Local Favorite

A Taste of Tradition

Welcome to a place where great food meets warm hospitality. We believe dining is more than just a meal - it's an experience to be savored and shared.

Our kitchen is dedicated to creating dishes that bring people together, using recipes that honor tradition while embracing innovation.

  • Fresh Daily Specials
  • Private Dining Available
  • Catering Services
  • Takeout & Delivery

Guest Reviews

Hear from our valued guests

Melissa G.

Melissa G.

10 months ago

We had a great breakfast of G’Ma’s huevos. The food and the service, Erica, was excellent. The building is old but the restaurant and restrooms are very clean.

Elaina

Elaina

month ago

Best breakfast and the most efficient and nicest staff! Love this place. Always busy but they move you through pretty quickly.

Trever B

Trever B

3 months ago

Food was fantastic! Three of us ordered the Trucker! Sausage links,bacon, ham, eggs over easy, and biscuits and gravy.

Kimberlee Nicole

Kimberlee Nicole

5 months ago

Super Rave! ⭐ G-Ma's restaurant! I have lived in Casper WY for almost 2 years and have always wanted to stop in, but as life, life's I haven't always had the time. Yesterday my husband, myself and our son finally stopped in and I will tell you that it did not disappoint. It was everything a small town diner should be! The waitresses, the people, the atmosphere, it was Home! That's how it felt. It felt like you were back at moms house and all your family stopped by to eat. The food was hot and delicious my husband loved the biscuits and gravy and it's hard to please him when it comes to food. The pancakes were the size of my kids noggin and I had the best omelette! I would go there every single chance I got just to feel that nostalgia again. Thank you all so much for the best little experience yesterday. It was the best part of my whole day! ❤️ Also, it was Lori's birthday yesterday. So big shout out to her! 🤗

Mitch Behm

Mitch Behm

2 years ago

Great service, food, and prices. Love the old school diner feel. The chairs at the bar covered in plastic are hilarious, just like at grandmas house. Had the “Casper” omelet because we’re not in Denver. It was terrific and came out within 10 minutes of ordering. The servers at the bar are very friendly and fun to talk to, if you’re in the area and like home cooked meals be sure and stop and give G-Ma’s Diner a try!

Bryon Waltz

Bryon Waltz

month ago

Excellent service. Tasty food. We were in and out in 40 min on a Saturday. Our best breakfast experience in years. My Son loves biscuits and gravy and that caramel roll is ridiculously big, its funny and yummy.

Eric Thomas

Eric Thomas

year ago

Worth going! Wife does biscuits and gravy everywhere, new number 1 at G-Ma’s. Green chili is spicy and delicious on the burrito! Warning - long wait times for seating and food, totally worth it though. Will come back for sure!

Jorden Warpness

Jorden Warpness

9 months ago

Very much a little hometown diner which is exactly what I’ve been looking for. The staff is all friendly and there were regular customers coming in and out as if that’s something they do every week. The food was delicious and I got to sample the gravy and green chili and both were absolutely phenomenal. My waitress Sarah was as sweet as can be!

Le Minh Quan - Official

Le Minh Quan - Official

year ago

I must say, this can be the home cook version of Waffle House in the Casper , WY (Mills) area. Great staff, great food and warmth environment. I enjoy my meal, and seems like the staff knows all the locals here, which is a good thing.

Joe B

Joe B

3 months ago

5/5 Stars – Absolute perfection on a plate! The pictures tell the story. If you’re craving a breakfast that hits every comfort-food note and leaves you ready to conquer the day (or the highway), the Truck Driver breakfast at G-Ma’s Diner is unbeatable. This place lives up to its “Best biscuits and gravy in Wyoming” claim—and then some! The biscuits and gravy were straight-up amazing: fluffy, tender biscuits smothered in a rich, creamy gravy with just the right kick of spice and black pepper that builds with every bite. It was hearty without being overwhelming, and the flavor was spot-on. The bacon? Heavenly—crispy edges, perfectly rendered, and packed with that smoky, savory goodness that makes you savor each strip. The sausage links were tender and juicy, with great seasoning that complemented everything else beautifully. Hash browns were a highlight: crispy and golden on the outside for that satisfying crunch, yet buttery and soft inside—pure diner magic. And the eggs? Cooked over medium to absolute perfection—runny yolks for dipping, firm whites, no overcooking in sight. Portions are generous (as expected for a “truck driver” special), the coffee was hot and strong, and the whole meal felt like home-cooked heaven in a cozy, no-nonsense diner setting. Friendly service and that classic Wyoming vibe sealed the deal. Hands down one of the best breakfasts I’ve had anywhere. If you’re in Casper/Mills, do yourself a favor and get here early—5 stars aren’t enough! 🚚🍳⭐⭐⭐⭐⭐

Frequently Asked Questions

Common questions about G-Ma's Diner

Business Features

Highlights & Amenities

Accessibility

  • Wheelchair-accessible car park
  • Wheelchair-accessible entrance
  • Wheelchair-accessible seating
  • Wheelchair-accessible toilet

Service options

  • On-site services
  • Takeaway
  • Dine-in
  • Delivery

Highlights

  • Great coffee
  • Serves local specialty

Popular for

  • Breakfast
  • Lunch
  • Solo dining

Offerings

  • Coffee
  • Comfort food
  • Quick bite
  • Small plates

Dining options

  • Breakfast
  • Brunch
  • Lunch
  • Dessert
  • Seating
  • Table service

Amenities

  • Bar on site
  • Restroom

Atmosphere

  • Casual
  • Cozy

Crowd

  • Groups
  • Tourists

Planning

  • Accepts reservations

Payments

  • Credit cards
  • Debit cards
  • NFC mobile payments

Children

  • Good for kids
  • High chairs
  • Kids' menu

Parking

  • Free parking lot
  • Free street parking
  • Plenty of parking

Visit Us

We look forward to welcoming you. Make a reservation or stop by - walk-ins welcome!

Location

4755 W Yellowstone Hwy, Mills, WY 82604, United States

Reservations

+1 307-265-0070

Hours

Closed · Saturday 6 AM-12 PM
Wednesday 5:30 AM-2 PM
Thursday 5:30 AM-2 PM
Friday 5:30 AM-2 PM
Saturday 6 AM-12 PM
Sunday 6 AM-12 PM
Monday 5:30 AM-2 PM
Tuesday 5:30 AM-2 PM
Share This Business

Make a Reservation

Request a table and we'll confirm your booking shortly.