2 3/4 cups
(350 grams) all-purpose flour
1 1/4 teaspoons
baking soda
1 teaspoon
baking powder
1 teaspoon
kosher salt
1 3/4
sticks (200 grams) unsalted butter, room temperature
3/4 cup
(160 grams) light brown sugar
3/4 cup
(160 grams) granulated sugar
1 tablespoon
pure vanilla extract
1
large egg
1 1/4 cups
(225 grams) M&Ms, or other candy-coated chocolate pieces