Preheat the oven to 360℉ (180℃). Bake the sliced baguettes until golden and crispy.
Peel and devein shrimps, boiled in the salted water, then cut into halves.
Mix diced avocado pieces and (A) in a bowl.
Arrange (3) and (2) in order on the baguettes and garnish with chervil leaves (optional).
