01 - Toast bread slices to desired crispness using a toaster or grill pan.
02 - Halve and pit the avocado. Scoop flesh into a bowl and mash with lemon juice, chopped herbs, salt, and pepper until creamy with slight texture.
03 - For fried eggs, heat nonstick skillet over medium heat and fry to preferred doneness for 3-4 minutes. For poached eggs, simmer water with vinegar splash and poach for 3-4 minutes until whites set.
04 - Spread mashed avocado mixture evenly over toasted bread slices.
05 - Place cooked egg on each avocado toast.
06 - Drizzle with olive oil, sprinkle feta cheese if using, add red pepper flakes, and garnish with microgreens or additional herbs.
07 - Serve immediately while toast is warm and egg is at desired temperature.