01 - Preheat oven to 350°F and line two large baking sheets with parchment paper.
02 - In a large bowl, blend unsalted butter, granulated sugar, and brown sugar until the mixture is light and fluffy using an electric mixer.
03 - Add creamy peanut butter to the bowl, mix thoroughly, then beat in eggs one at a time, ensuring each is well incorporated. Stir in vanilla extract.
04 - In a separate bowl, whisk together oats, all-purpose flour, baking soda, and salt until evenly combined.
05 - Gradually add dry ingredient blend into wet mixture, mixing just until uniform consistency is achieved.
06 - Gently fold in chocolate candies, semisweet chocolate chips, and crushed mini pretzels if using.
07 - Scoop rounded tablespoons of dough and arrange on prepared baking sheets, spacing each about two inches apart.
08 - Bake for 10 to 12 minutes until cookie edges turn golden while centers remain soft.
09 - Allow cookies to cool on baking sheets for 5 minutes, then transfer to a wire rack to finish cooling completely.