Can I make this ahead for busy school mornings?
Yes. Cook the potatoes and mix the sauce up to 4 days ahead. In the morning, recrisp potatoes in a skillet until hot and crackly, then scramble eggs fresh in 3 to 4 minutes. If you want fully make-ahead, cook the eggs too, just reheat very gently so they do not turn rubbery.
What tortillas are best?
Flour tortillas are the most forgiving and stay soft. Corn tortillas are amazing too, but warm them well so they do not crack. If you go corn, a quick toast in a dry skillet is the move. For the “8 tacos” yield, look for 6-inch tortillas (typical taco size).
How do I make the potatoes extra crispy?
Two rules: do not overcrowd the pan, and do not stir too early. Give them a few minutes untouched so a crust forms, then flip. Also, once they are crisp, get them out of the skillet before you cook the eggs so they stay that way.
Can I add meat?
Absolutely. Crisp up cooked breakfast sausage, chorizo, or diced ham in the skillet first, then cook the potatoes in the drippings. Or keep it simple and add crumbled bacon on top.
Is the lime yogurt sauce spicy?
Not as written. If you want heat, add hot sauce, chipotle powder, or a spoon of salsa to the sauce.
What kind of salsa works best?
Anything you like. Pico de gallo stays bright and chunky. A jarred restaurant style salsa is faster and saucier. If your salsa is very watery, drain a spoonful off so the tacos do not get soggy.