Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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M&M's Peanut Butter is a milk chocolate shell filled with creamy peanut butter instead of plain chocolate. The 17.2 oz sharing-size bag is the standard format for parties, candy bowls and baking. At $11.99 at Blain's Farm & Fleet as of November 7, 2026, it sits at the low end of what this size typically sells for.
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Lowest price we've seen: $9.79 on Nov 7 at Target. Tracked across 3 stores since Nov 7.
Buyers of M&M's Peanut Butter consistently describe a creamy peanut butter center inside the familiar candy shell. Most praise the flavor balance and the sharing-size bag; some find them too sweet and note the centers soften in warm rooms.
