Filed under: Best Burger by Andra Zeppelin Jul 8, 2014, 5:28am MDT Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: Best Burger Pocket Flipboard Email What is the ultimate Colorado burger, 5280 Magazine asks. According to the magazine, it starts with a City Bakery bun, ground bison meat from Zapata Ranch, and local ketchup made by Elevation. [5280] More From Eater Denver Sign up for the newsletter Eater Denver Sign up for our newsletter. Thanks for signing up! Check your inbox for a welcome email. Email (required) Oops. Something went wrong. Please enter a valid email and try again. By submitting your email, you agree to our Terms and Privacy Notice. You can opt out at any time. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Subscribe The Latest