01 - Preheat the oven to 350°F. Line two large baking sheets with parchment paper.
02 - In a large mixing bowl, beat softened butter, granulated sugar, and brown sugar together until the mixture is light and fluffy.
03 - Mix in creamy peanut butter. Add eggs one at a time, beating thoroughly after each addition. Stir in vanilla extract.
04 - In a separate bowl, whisk together old-fashioned oats, all-purpose flour, baking soda, and salt.
05 - Gradually add the dry ingredients to the wet mixture, blending until just combined.
06 - Gently fold chocolate candies, semisweet chocolate chips, and crushed pretzels into the dough.
07 - Scoop rounded tablespoons of dough onto prepared baking sheets, spacing each cookie two inches apart.
08 - Bake for 10 to 12 minutes or until the edges are golden and centers are still soft.
09 - Let cookies cool on baking sheets for 5 minutes before transferring them to a wire rack to cool fully.