01 - Preheat grill to medium-high heat.
02 - Grill the Cajun beef sausages for 10–12 minutes, turning occasionally, until well browned and cooked through. Remove from grill and let rest for 2 minutes.
03 - While sausages are grilling, split the baguettes and lightly toast them on the grill for 1–2 minutes until crisp.
04 - In a small bowl, whisk together all remoulade ingredients until smooth.
05 - Spread a generous layer of remoulade on both sides of each baguette. Layer with shredded lettuce, tomato slices, pickles, and red onion. Place a grilled sausage in each sandwich.
06 - Close the sandwiches, press gently, and serve immediately.