How many calories in a Costco keg prime rib burger?
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3 min read
According to nutrition data from sources like Nutritionix, the frozen Keg prime rib patty sold at Costco contains approximately 420 calories per 6oz (170g) serving for the patty alone. A complete Costco Keg prime rib burger with a bun, cheese, and condiments can easily surpass 800 calories, making it essential to consider all ingredients.
