Step 1: Prepare the Cauliflower - Preheat your oven to 425°F (220°C). Wash and cut the cauliflower into small florets.
Step 2: Make the Coating - In a mixing bowl, combine the Creole seasoning, lemon zest, and egg. Whisk until blended.
Step 3: Coat the Cauliflower - Toss cauliflower florets in the egg mixture, then sprinkle with panko breadcrumbs.
Step 4: Bake the Cauliflower - Spread coated cauliflower on a baking sheet, drizzle with olive oil, and bake for about 25 minutes.
Step 5: Prepare the Sauce - Mix mayo, mustard, minced garlic, paprika, and hot sauce until smooth.
Step 6: Toast the Baguette - Slice and lightly toast the baguette pieces until golden.
Step 7: Assemble the Sandwich - Spread sauce on toasted baguette, layer with lettuce, tomatoes, pickles, and crispy cauliflower.
Step 8: Serve and Enjoy - Serve warm with a lemon wedge on the side.