In a small bowl, combine avocado, lemon juice, salt, and pepper. Gently mash with the back of a fork.
Place the bread in a toaster of pre-heated 350β oven. Cook the bread until it is nicely toasted (around 2-3 minutes.)
In a small mixing bowl, gently combine the crab, lemon juice, and oil.
Lay the toasted bread on your work surface. Evenly spread the seasoned avocado mixture on top of the toast.
Top the avocado spread with the marinated crab. Evenly top the crab with the sliced peppers, fresh mint leaves, chopped cilantro, and then sliced radishes