Creating the Crispy Chicken Caesar Sandwich is simple when you follow these easy steps:

1. Marinate Chicken: Begin by soaking the chicken breasts in buttermilk for at least 30 minutes. This tenderizes the meat and adds flavor.
2. Prepare Flour Mixture: In a bowl, whisk together flour, garlic powder, onion powder, paprika, salt, and pepper.
3. Heat Oil: In a large skillet, pour enough vegetable oil to cover the bottom. Heat over medium-high heat until shimmering.
4. Coat Chicken: Remove chicken from the buttermilk, letting excess drip off. Dredge each piece in the flour mixture, ensuring a complete coating.
5. Fry Chicken: Carefully place coated chicken in the hot oil. Cook about 5-7 minutes per side or until golden brown and cooked through. Transfer to a paper towel-lined plate to drain excess oil.
6. Toast Bread: Lightly toast the ciabatta slices in the skillet or toaster until they are golden and crisp.
7. Assemble Sandwich: On the bottom slice of bread, layer chopped romaine lettuce, a generous dollop of Caesar dressing, and sprinkle with grated Parmesan.
8. Add Chicken: Place a piece of crispy chicken on top of the salad.
9. Complete Assembly: Add any desired toppings like croutons, and finish off with the top slice of bread.
10. Serve: Cut the sandwich in half for sharing (if desired) and serve immediately with extra Caesar dressing on the side.

These easy steps will help you create a delicious Crispy Chicken Caesar Sandwich that delights everyone at your table!