In a bowl, combine equal parts vinegar and sugar for pickled vegetables, stirring until the sugar dissolves. Toss in julienned carrots and daikon radish, and let them marinate for at least 30 minutes.

Choose your protein and coat it with seasoning. Heat a grill or skillet, cook protein for about 4-6 minutes per side until cooked through and golden-brown. Set aside to rest.

Slice the baguette lengthwise and toast it in a preheated 350°F (175°C) oven for 5-7 minutes until golden and crisp.

Spread mayonnaise or pâté on both sides of the toasted baguette, layer in your choice of protein, pickled vegetables, fresh herbs, and jalapeños.

Carefully close the sandwich, slice diagonally, and serve immediately for the best crunch and flavor.