I don't know about healthy, but some combination of:
Greek yogurt with 1/4 cup of museli, maybe fresh fruit
Hard-boiled egg
Ezekiel bread with natural PB, roasted almonds, local honey
Eggs on toast drenched in Cholula, maybe cheese
Tortilla with eggs/grilled chicken/Cholula/maybe cheese
Coffee
Water
Greek yogurt with 1/4 cup of museli, maybe fresh fruit
Hard-boiled egg
Ezekiel bread with natural PB, roasted almonds, local honey
Eggs on toast drenched in Cholula, maybe cheese
Tortilla with eggs/grilled chicken/Cholula/maybe cheese
Coffee
Water