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Reese's Big Cup Marshmallow is a king-size peanut butter cup with a marshmallow-flavored filling layered inside the usual milk chocolate and peanut butter. It is a single 2.8 oz pack, gluten-free, and individually wrapped, so it travels well in a lunch box or bag. The draw is the extra creamy layer: it softens the salty peanut butter and adds a nostalgic, s'mores-like note. Against a standard Big Cup it is sweeter and richer, which some buyers love and others find too much. Ratings sit around 4.1 out of 5, with fans of the marshmallow twist enthusiastic and a share of buyers saying the marshmallow flavor is faint or the cup is too sweet.
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Lowest price we've seen: $2.50 on Nov 13 at Menards. Tracked across 3 stores since Nov 13.
Buyers like the bigger cup and the soft marshmallow center, calling it a fun change from the standard Reese's. The main complaints are that the marshmallow flavor is mild and the cup is sweeter than expected.
The cup comes in an individual wrapper. It is shelf-stable and gluten-free, and it can be kept in a pantry, lunch box or purse.









