Add eggs to a large saucepan with cold water and bring to a boil. Remove from heat and let sit in water 14 min. Peel and slice eggs lengthwise and remove yokes into a bowl. Add mayo, mustard, lemon zest, chives, hot sauce and salt and pepper. Mash together w/wooden spoon,(taste and adjust seasoning).Fill egg yoke mixture in egg white. Heat deep fryer 350 degrees. In a bowl add flour, season w/salt and pepper, in another bowl beaten eggs, in third bowl add panko. Dip eggs in flour, then egg mixture and finally into the panko. Gently drop eggs into the hot oil and fry until golden brown. Remove to a sheet pan lined with parchment paper or paper towel. Season w/ salt and pepper and garnish w/parsley.