Ingredients

• 2 six-inch buns, like New Orleans-style French bread, split in half lengthwise
• 1/2 pound andouille sausage, cut into 1/2-inch rounds
• 1/4 cup mayonnaise
• 1/2 small onion, thinly sliced
• 2 tablespoons Creole mustard, or whole-grain mustard
• Sliced pickles, such as dill, sweet-hot bread-and-butter, or pepperoncini

Optional

• Hot sauce (optional)