- Preparation of Smoked Walnuts: 
- Initiate the process by preheating the smoker to a steady temperature of 225ºF (107ºC). 
- Melt the unsalted butter in a sizeable bowl. Proceed to incorporate the light brown sugar, mixing until homogeneous. Introduce the chopped walnuts to this mixture, ensuring each piece is evenly coated. 
- Transfer the coated walnuts onto a sheet pan or a disposable foil pan equipped with a wire rack. The presence of grates will facilitate enhanced smoke absorption by the walnuts. 
- Subject the walnuts to smoking for a duration of 2 hours. Following this, allow them to cool momentarily before their incorporation into the cookie dough. 
- Cookie Dough Preparation: 
- Elevate the smoker temperature to 300ºF (149ºC) in preparation for baking. 
- In the bowl of a stand mixer fitted with a paddle attachment, cream together the unsalted butter, granulated sugar, and light brown sugar. This should be executed over medium speed for approximately 2 minutes until the mixture attains a light and fluffy consistency. 
- To this mixture, add the eggs, vanilla extract, and lemon juice. Begin blending at low speed for 30 seconds, then escalate to medium speed for an additional 2 minutes, or until the mixture becomes notably light and fluffy. Ensure to scrape down the bowl to incorporate all ingredients thoroughly. 
- Adjust the mixer to low speed and gradually introduce the all-purpose flour, rolled oats, baking soda, kosher salt, and cinnamon. Mix for roughly 45 seconds, taking care not to overmix. 
- Manually fold in the dark chocolate chips and the previously prepared smoked walnuts into the dough until just combined. 
- Utilizing a #16 (2.75 oz) ice cream scoop or a large spoon, portion the dough into 24 evenly sized balls. Arrange these on a parchment-lined baking sheet, maintaining a distance of approximately 2 inches between each ball to accommodate spreading. 
- For optimal results, it is advisable to refrigerate the portioned dough for 2 to 4 hours prior to smoking. 
- Proceed to smoke the cookies for 25 to 30 minutes, or until the cookie edges turn a golden brown hue while the centers remain slightly soft. 
- This formal presentation outlines the methodical preparation of Smoky Sweet Chocolate Chip Delights, ensuring a culinary experience that combines traditional baking techniques with the distinctive flavor infusion achieved through smoking.