Reese’s Peanut Butter Cup Thins Review

Last week on the blog I reviewed the Costco Hampton House Chicken Nuggets, Costco Hy’s Seasoning Salt, Costco French Cancan Popcorn and the Costco Kirkland Signature Margarita Mix. 

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Reese’s Peanut Butter Cups are one of my all-time favorite chocolate treats. I know I’m not alone because it seems like every time I turn around I see some kind of new variation on the classic Reese’s Peanut Butter Cup, from giant versions to cereal. When I saw these Reese’s Thins at Costco, it seemed like a good excuse to buy one of my favorite things and see if the new spin on it adds anything to the classic formula.

The 680-gram jar of individually-packaged Reese’s Thins costs $12.99, but it’s been on sale recently for $3 off, so I paid $9.99. The plastic jar seems a bit unnecessary with each of these thin peanut butter cups being individually packaged, but you definitely don’t have to worry about them going stale on you!

The best before date on my jar of Reese’s Thins is about nine months from when I purchased them. I don’t think my jar will last anywhere near that long!

Nutritionally these peanut butter cups are what you would expect – not good. In four pieces, there are 220 calories along with a lot of sugar and fat. 220 calories for four peanut butter cups doesn’t seem terrible, but you have to remember that these Thins are probably about half as thick as a standard Reese’s Peanut Butter Cup.

The ingredients on these Thins should be identical to what’s in the classic version of this treat. Like all mass-produced chocolate, the Thins are full of artificial and unhealthy ingredients, but I really hope nobody is eating peanut butter cups thinking they’re getting any nutritional value! In terms of allergens, obviously peanut butter cups are a no-go for anyone with a peanut allergy. The Thins also contain milk and soy.

The main feature that sets these Reese’s Thins apart from their full-size peanut butter cups is the ratio of chocolate to peanut butter. The taste of the Thins is more chocolate than peanut butter. You can see why in the photo above – the peanut butter layer is quite thin compared to a normal Reese’s Peanut Butter Cup. The Thins are kind of the opposite of the giant version of the treat where I find the peanut butter filling dominates. Personally, I still think the classic normal-sized Reese’s are the best, though the mini version matches that perfect ratio of chocolate and peanut butter pretty closely too. I still enjoy having a giant version and these Thins once in a while, but I think Reese’s found the right ratio in their original version!

Cost: 7/10 at regular price, 8/10 at $9.99

Convenience: 10/10

Nutrition: 0/10

Taste: 8.5/10 (classic Reese’s are a 9/10 chocolate treat for me)

Written by Natalie


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  1. Have to laugh at ‘best before date on my jar of Reese’s Thins is about nine months from when I purchased them. I don’t think my jar will last anywhere near that long!’
    I purchased one a few months ago, think they were gone in less than a week!!
    Would agree with the final rating, regular cups are better!

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