INGREDIENTS
2/3 cup
all-purpose flour (measured correctly)
1/3 cup
unsweetened cocoa powder (measured correctly)
1/4 tsp
baking soda
1/8 tsp
salt
2 tbsp
unsalted butter, melted and cooled slightly
1
large egg
1 tsp
vanilla extract
1/2 cup
granulated sugar
6
miniature chocolate peanut butter cups (such as Reese’s), diced