Make the dressing: Combine the olive oil, vinegar, Miracle Whip, lemon juice, parmesan, garlic salt, Italian seasoning and 1 to 2 tablespoons water in a blender or food processor. Puree until smooth.
Make the salad: Place the salad blend in a large bowl and top with the red onion, pepperoncini, tomato, olives, croutons and cheese. Drizzle with the dressing and gently toss.
Photograph by Ryan Dausch