Preheat oven to 350 degrees. Line 1 or 2 large baking sheets with parchment paper; set aside.
In a medium mixing bowl, combine oats, flour, baking powder, and salt; set aside.
In large bowl of electric mixer at medium speed, beat together peanut butter, butter, brown sugar, and white sugar. Add eggs, one at a time, and beat well after each addition. Beat in vanilla. Gradually beat in oat mixture. Stir in chocolate chips and coconut by hand.
Drop dough by heaping tablespoonsful, spaced about 1-inch apart, onto parchment-lined (or ungreased) baking sheet. Bake for 10-11 minutes or until golden. Let cookies sit for a minute on sheet and then remove to wire rack to cool.
Recipe by The Culinary Cellar at https://theculinarycellar.com/workin-weekend-cookies/