→ Base
01 -
113g (½ cup) unsalted butter, softened at room temperature
02 -
200g (1 cup) packed light brown sugar
03 -
50g (¼ cup) white granulated sugar
04 -
⅓ cup creamy peanut butter, softened
05 -
One large egg and one additional yolk, both at room temperature
06 -
2 teaspoons pure vanilla
07 -
2 teaspoons maple syrup
→ Dry Ingredients
08 -
115g (1 cup) rolled old-fashioned oats
09 -
155g (1¼ cups) all-purpose flour, measured correctly
10 -
1 teaspoon baking soda
11 -
½ teaspoon coarse kosher salt
12 -
½ teaspoon baking powder
→ Mix-ins
13 -
¾ cup semi-sweet chocolate chips, plus extras for the top
14 -
¾ cup M&M candies, with some saved for topping