Shop › Fog City Peanut Butter Fudge Image 1 of 1 Fog City Peanut Butter Fudge $74.00 Deep cocoa sponge, dark fudge core & silky peanut butter SMB. Key ingredients: All-purpose flour, Dutch-process cocoa, sifted, Granulated sugar, Baking powder, Fine sea salt, Unsalted butter, room temp. Sold by the dozen. Add To Cart Added! Deep cocoa sponge, dark fudge core & silky peanut butter SMB. Key ingredients: All-purpose flour, Dutch-process cocoa, sifted, Granulated sugar, Baking powder, Fine sea salt, Unsalted butter, room temp. Sold by the dozen.