A few leaves of green frisée salad, washed and dried
Preheat oven to 425º F.
In a bowl, mix the mayonnaise, arugula, water, and lemon juice. Season with pepper and set aside.
Cut each baguette piece in half on the horizontal and brush the inside of each half with olive oil. Toast in the oven for 6 to 8 minutes or until bread is golden and crispy. Let cool for a few minutes.
Spread bread slices with arugula mayonnaise. Top with sliced tomatoes, roasted red peppers, pepperoni, and lettuce. Serve immediately