Do they ever change their fryer oil? My fries and "chicken nuggets" were dark brown and hard and my onion rings were brown and black. When I asked when they changed their fryer oil they became very rude and hung up onme.

Kristen Pearson | Sep 4, 2020 | Category: Hamburger restaurant in Denver, Colorado

Grandpa's Burger Haven - All questions

Address: 23 S Federal Blvd, Denver, CO 80219, USA

Grandpa's Burger Haven (Owner) | Sep 5, 2020

Yes we do change the oil and we take pride in what we serve we use fresh everything and cook everything to order no pre made like some places if ever you have a problem you let me know

J.C. Presents DJ Moca Lounge | Jun 3, 2018

I love them still...good food really good food...true ma & pa

William Wade | Jun 3, 2018

Have eaten there many years Best old fashioned greasy burger and the shakes are great

Patricia Gutierrez | Jun 3, 2018

Kristen Pearson, someone, did answer your question. I've been going to Grandpa's Burger Haven since it was Jim's Burger Haven and I have always been treated with the utmost respect from every employee that I can remember and as for what you may have perceived as them being rude and hanging up, maybe it was because of the way you came across on the phone. Maybe you started out by being rude which in turn will cause others to be rude in return. KINDNESS BEGETS KINDNESS or TREAT OTHERS AS YOU WOULD LIKE TO BE TREATED Those words will get you further in life than you believe.

Kenny Thomas | Jun 3, 2018

As far as I know they change it maybe you got the ass end of the oil before it was changed. I've been there quite a few times and sometimes my fried food is soft sometimes its crispy just depends on the day and how busy it is

Lidia Serrano | Jun 3, 2018

My fries have always been good

DJ Mac | Jun 3, 2018

Grandpa's BURGER Haven is always nice to me and I'm a regular, best onion rings ive ever had!

Hector M. Sanchez | Sep 5, 2020

Patricia Gutierrez, there is half truth to it. My wife called the first time and the staff hung up on her so she called the second time and asked for the manager and the name. The person who answered the phone, claimed to be “the manager“, when my wife provided her information and then asked for her name, the staff refused to give her name. This isn’t the CIA office so it is perceived as rude, unprofessional, and unhappy staff. My wife is very nice, but the staff wasn’t nice to her.

Charleen Graham | Jun 2, 2020

Do the meals /combos gone eith s shake or soda

Kristen Pearson | Jun 3, 2018

Look at the pictures I added of my onion rings and get back to me. Also didn't answer the question spammer.

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