Preheat oven to 350 degrees and line cookie sheet with parchment paper. Reduce the oven temperature to 325 if using a dark colored baking sheet.
In a large bowl, combine peanut butter, egg, vanilla, brown sugar, oats and baking powder with a hand mixer.
1 cup Peanut Butter, 1 Egg, 1 tsp Vanilla, ½ cup Brown Sugar, ½ cup Oats, ½ tsp Baking Powder
Add in chocolate chips, chopped pecans, broken pretzels, coconut and mix until well combined.
½ cup Chocolate Chips, ¼ cup Coconut, ½ cup Pecans, ½ cup Pretzels
Using a ¼ cup dry measuring cup or a ¼ cup ice cream scoop to scoop the cookies onto the baking sheet. Flatten each cookie with a spoon.
Bake for 12 - 15 minutes.