International
Bring a wide pan of water to a gentle simmer and add the vinegar.
Halve the avocados, remove the pits and scoop the flesh into a bowl. Mash with a fork, leaving some texture, and season with the lemon juice, salt and pepper.
Toast the bread until golden and crisp.
Crack each egg into a small bowl and slide it into the simmering water. Poach for 3-4 minutes, until the whites are set, then lift out with a slotted spoon and drain on paper towel.
Spread the avocado thickly over the toast.
Top each slice with a poached egg, drizzle with the olive oil and sprinkle with chili flakes and a pinch of salt.