These chocolate chip cookies are chewy, and oh so delicous!
Preheat oven to 350. Line a baking sheet with parchment paper.
In the bowl of a stand mixer, cream butter and sugars until light and airy (at least 3 minutes).
Add in vanilla. Mix briefly. Add in eggs, one at a time, mixing briefly in between.
Mix in peanut butter until smooth.
Sprinkle baking powder over top of mixture.
Add flour and mix in alternating amounts, starting and ending with flour:
1 c. flour. Mix.
2 tbsp. milk. Mix.
1 c. flour. Mix.
2 tbsp. milk. Mix.
1 1/2 c. flour. Mix.
Gently stir in chocolate chips and peanut butter chips.
Scoop dough onto baking pan in 2 tbsp portions, spaced about 2 inches apart.
Bake 9-11 minutes. Cookies should look slightly underdone. They will finish baking while cooling.
Let cool for a few minutes on baking sheet, then transfer to a cooling rack to finish cooling.