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660 Ygnacio Valley Rd, Walnut Creek, CA 94596-3820
+1 925-932-2763
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  • Excellent47%
  • Very good28%
  • Average23%
  • Poor0%
  • Terrible2%
Travellers talk about
“lunch” (8 reviews)
“french toast” (3 reviews)
“burger” (4 reviews)
Open Now
6:00 am - 10:00 pm Hours
American, Vegetarian Friendly
$$ - $$$
660 Ygnacio Valley Rd, Walnut Creek, CA 94596-3820
All Details
Write a ReviewReviews (38)
Traveller rating
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Time of year

1 - 10 of 37 reviews

Reviewed 4 weeks ago

Great place for breakfast. Had a very good omelet with spinach and mushrooms. Also a very good corn muffin. Waitress was very friendly and good. Would recommend for breakfast.

Thank lindafromNJ
Reviewed 27 August 2018

Consistently great service, great food, great menu, and great value. Coffee flowing, excellent pancakes, served hot and quickly.

Thank Patrick Z
Reviewed 15 August 2018 via mobile

Due to various unusual circumstances I found myself having breakfast at Buttercup sometimes after 6am this morning. While the cup of oatmeal with raisins and a banana was not so remarkable though it was nicely presented, I am not even sure why I ordered it,...More

Thank reise-tanta-di
Reviewed 26 July 2018 via mobile

Our waitress was great. Good recommendations. I had the chicken-fried steak it was awesome. My mother had the French dip she said it was delicious. My dad had biscuits and bacon he liked it too. The portion sizes were large. The price is good. I...More

Thank FellowTraveler723432
Reviewed 19 June 2018

Families with children enjoy dining at this restaurant, which has a large interior and two outdoor seating areas. The extensive breakfast menu includes some Portuguese specialties. Egg dishes such as the Linguica Benedict come with potatoes, bread, and an ample portion of fresh fruit. When...More

Thank Kim M
Reviewed 24 February 2018

I was there on a short business dinner and it was really very short. Most of the food is not to my liking. A had a California Burger - very blend, nothing exciting (OK the portions are large). Service is quick and 'doing the job'...More

Thank Robert W
Reviewed 29 January 2018 via mobile

I have been eating at ButterCup (BC) restaurants for over 20 years. I had beacon & eggs and my son had steak & eggs. The food was tasty and fixed the way we wanted. Service was fast and friendly. BC Walnut Creek has free parking...More

Thank zip98221
Reviewed 4 January 2018 via mobile

Stopped here at John Muir Hospital staff recommendation. Good cinnamon apple walnut French toast (a special of the day). Friendly staff kept my coffee mug full.

1  Thank davetR2757JE
Reviewed 17 November 2017

We had a doctor's appointment in Walnut Creed and stopped in for breakfast on advice from siri. The staff is very friendly and efficient and there are plenty of menu selections. I had the TexMex scramble and it was excellent, although too much for me...More

Thank donalds728
Reviewed 4 September 2017

The portions are huge, the service friendly. Their French toast is unique and plentiful, their omelets unending. This place is very popular because of its many menu selections and good service.

1  Thank Mark D
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Restaurant Details

Rating summary
  • Food
  • Value
Breakfast, Lunch, Dinner, Brunch
Restaurant features
Seating, Waitstaff, Highchairs Available, Wheelchair Accessible, Serves Alcohol, Takeout
Good for
Child-friendly, Kids, Groups
Open Hours
6:00 am - 10:00 pm
6:00 am - 10:00 pm
6:00 am - 10:00 pm
6:00 am - 10:00 pm
6:00 am - 10:00 pm
6:00 am - 10:00 pm
6:00 am - 10:00 pm
Location and Contact Information
  • Address: 660 Ygnacio Valley Rd, Walnut Creek, CA 94596-3820
  • Location: United States  >  California (CA)  >  Walnut Creek
  • Phone Number: +1 925-932-2763
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