There are 560 calories in Haystack Onions from Smashburger. Most of those calories come from fat (66%).
To burn the 560 calories in Haystack Onions, you would have to run for 49 minutes or walk for 80 minutes.
According to our website visitors, Haystack Onions is not a healthy and nutritious option from Smashburger, with only 28% of voters finding it to be healthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think Haystack Onions is healthy or not.
There are 23 Weight Watchers Freestyle Points, 23 WW SmartPoints and 15 WW PointsPlus in a serving of Haystack Onions from Smashburger.
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