Toast bread until golden and crispy.
Mash avocado with lemon juice, salt, and pepper.
Bring a pot of water to gentle simmer. Add a splash of vinegar.
Crack egg into a small cup, create a whirlpool in water, gently drop egg in.
Poach for 3-4 minutes until whites are set but yolk is runny.
Spread avocado mixture on toast.
Top with poached egg, red pepper flakes, salt, and drizzle of olive oil.