Peanut Butter Cups - Mini-sized peanut butter cups.Try to find a bag with unwrapped mini candies. Unsweetened Chocolate - Find in the baking aisle.; Sugar - Use granulated sugar.; Flour - Use all-purpose flour or use gluten-free 1:1 baking flour for a gluten-free treat.; Butter - I use salted butter. If using unsalted, add a pinch more salt to the batter. More @Wikipedia
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