INGREDIENTS
1/2 cup
unsalted butter (1 stick), melted
1
large egg
1 cup
light brown sugar, packed
1 tbsp
vanilla extract
heaping 1/3 cup creamy peanut butter
1 cup
all-purpose flour
salt, optional and to taste
12
to 14 mini peanut butter cups
about 2/3 cup Peanut Butter M&Ms (I used one 2.83-ounce ‘King Size’ bag sold; optionally substitute with Peanut or Plain M&Ms)