Avocado clean, cut lengthwise and slice lengthwise not too thin slices, sprinkle with lemon juice, salt and pepper. In a small bowl, pour the flour, beat the eggs in another, in the third place the breadcrumbs. In a deep frying pan (or deep fryer), heat the oil. Each slice in turn lower the first in the flour (shake off excess), then an egg, because in crumbs, then — in the heated oil for one minute. Once the crust browns, remove the slices on paper towels to get rid of excess fat. Serve hot and crispy.