01 - Toast the bread slices in a toaster or grill pan until crisp and golden brown.
02 - Halve the avocado, remove the pit, and scoop out the flesh into a small bowl.
03 - Add lemon juice, salt, and black pepper to the avocado. Mash with a fork until mostly smooth, keeping some texture.
04 - Evenly spread the mashed avocado mixture over each slice of toasted bread.
05 - Sprinkle the everything bagel seasoning uniformly across the avocado toast.
06 - Garnish with optional toppings such as feta cheese, sliced radishes, cherry tomatoes, or a pinch of red pepper flakes as desired.
07 - Serve immediately while toast is still crisp.