Prepare the basil avocado aioli by adding avocado mayonnaise, basil leaves, parsley, and garlic into a blender.
Blend until smooth and creamy. Set aside.
Lightly toast the baguette until golden and crisp.
Spread a generous layer of basil avocado aioli onto the toasted baguette.
Layer fresh mozzarella slices on top.
Add salted tomato slices.
Add thin slices of prosciutto.
Top with fresh arugula and crispy prosciutto pieces for extra crunch.
Finish with a drizzle of olive oil.
Slice, serve, and enjoy immediately.