Creating the Crispy Dill Chicken Sandwich is easy if you follow these simple steps:

1. Prepare the Chicken: Start by placing the chicken breasts in a large bowl and cover them with buttermilk. Let them marinate in the refrigerator for at least 30 minutes.

2. Prepare the Coating: In a shallow dish, combine the flour, garlic powder, onion powder, paprika, salt, and black pepper.

3. Prepare the Breadcrumbs: In another shallow dish, place the breadcrumbs. This will be the final coating for the chicken.

4. Coat the Chicken: Remove the chicken from the buttermilk. Dredge each piece first in the flour mixture, then dip it back into the buttermilk, and finally coat it with breadcrumbs. Ensure each piece is well-coated.

5. Heat the Oil: In a large skillet, heat about ½ inch of oil over medium heat. The oil should be hot but not smoking.

6. Fry the Chicken: Carefully add the chicken to the skillet. Fry for about 5-7 minutes on each side or until golden brown and cooked through. The internal temperature should reach 165°F (75°C).

7. Drain the Chicken: Once cooked, remove the chicken from the skillet and place it on a paper towel-lined plate to drain excess oil.

8. Prepare the Dill Sauce: In a small bowl, mix together the mayonnaise, fresh dill, and lemon juice. Stir until well combined.

9. Toast the Bread: In the same skillet, lightly toast the bread slices until golden brown.

10. Assemble the Sandwich: Start by spreading a generous amount of dill sauce on the bottom slice of bread. Add lettuce, followed by the crispy chicken, tomato slices, and pickles if desired. Top it off with the other slice of bread.

11. Serve: Cut the sandwich in half and serve immediately while the chicken is still hot and crispy.