For the sausage loaf: Cube the pork shoulder and place it on parchment in the freezer for 10 minutes.
In a food processor, process the ice cubes with the salt, pepper, allspice, nutmeg, thyme and garlic. Slowly add the pork to the food processor and pulse until a chunky farce is achieved. (The temperature should not exceed 40 degrees F. during mixing.)
Fold the cornichons and ham into mixture sausage mixture.
Place 24 inches of plastic wrap on a work surface. Place the farce in the center of the plastic and roll into an 18-inch log. Twist and tie the ends of the plastic and poach the farce at 185 degrees F until the internal temp reaches 152 degrees F. Immerse the sausage loaf in an ice bath and allow to cool.
For the liver pate: Sear the chicken livers until cooked to medium but still very pink inside.
To a bowl, add the egg and yolk, cornichon juice, garlic and1 teaspoon salt. Blend with an immersion blender, slowly adding the oil to create an emulsion. About halfway through, add the livers one at a time. Continue adding the oil until a smooth, thick texture is achieved. Chill until ready to use.
For the pickled vegetables: In a bowl, combine the carrots, red onions, parsley, cornichon juice and salt to taste. Set aside to marinate.
To assemble the sandwiches: Spread the butter on the baguettes and grill over medium heat until slightly charred. Slice the sausage loaf.
Spread liver pate on the baguettes. Top each of the bottom portions with 4 ounces of sausage slices (4 to 8 slices depending on thickness) followed by some pickled vegetables.
This recipe was created by a contestant during a cooking competition. It has not been tested for home use.