Prep all ingredients per instruction above.
Whisk the oil, vinegar, dijon, and half of the oregano in a bowl. Then drizzle on both halves of the roll.
Layer with lettuce, tomato seasoned with salt and pepper, oregano, capicola, salami, pepperoni, cheese, onion, and pepperoncini.
Mix the sparkling water and lemon juice.
Serve: Cut in half and enjoy with chips, pickle, and spritzer.