Peel and mash the hard-boiled eggs in a bowl using a fork.
Add the radishes, chives, Greek yogurt, Dijon mustard, and salt. Mix until well combined.
Spoon the egg salad onto each slice of whole wheat bread and top with sprouts.
Serve with 1 cup of mango chunks divided between two plates.
Store any leftover egg salad in an airtight container in the refrigerator for up to one day.
Add to fresh bread when ready to eat.
Notes
Leftovers: Store the remaining egg salad mixture in the refrigerator and add to fresh bread the next day
Sprouts: If pregnant, omit the sprouts to reduce the risk of foodborne illness.
Egg-Free: Substitute the eggs with tuna or shredded chicken.