01 - Place eggs in a saucepan and cover with water. Bring to a boil, then reduce heat and simmer for 8 to 10 minutes. Transfer eggs to an ice bath, peel, and chop coarsely.
02 - In a medium mixing bowl, mash avocado with lemon juice until mostly smooth. Stir in mayonnaise or Greek yogurt, Dijon mustard, chopped chives or green onions, salt, and freshly ground black pepper.
03 - Add chopped eggs to the avocado mixture and gently fold until combined.
04 - Toast bread slices to your preferred doneness.
05 - Divide avocado egg salad evenly between the two toast slices, spreading a generous layer on each.
06 - Dust each toast with smoked paprika. Garnish with extra chives, microgreens, or sliced radish if desired.
07 - Serve immediately while the toast is still crisp.