There are 420 calories in a Garlic Peppercorn Sirloin Dinner from Denny's. Most of those calories come from protein (42%) and fat (55%).
To burn the 420 calories in a Garlic Peppercorn Sirloin Dinner, you would have to run for 37 minutes or walk for 60 minutes.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Garlic Peppercorn Sirloin Dinner is healthy or not.
There are Weight Watchers Freestyle Points, WW SmartPoints and 11 WW PointsPlus in a serving of Garlic Peppercorn Sirloin Dinner from Denny's.
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