Do I have to boil the potatoes first?
Yes, that is the secret to fluffy centers and those crackly, crispy edges. Par-boiling gets them tender so they smash instead of shatter.
What potatoes work best?
Baby Yukon golds or small red potatoes are perfect. They smash easily and roast up with great texture. If you only have larger potatoes, cut them into 2-inch chunks and proceed the same way.
How do I get them extra crispy?
Three things: let them steam-dry after boiling, use a generous drizzle of oil, and do not crowd the pan. Space equals crisp.
Can I make these dairy-free?
Absolutely. Use dairy-free yogurt or mayo for the sauce. You can also do a punchy vinaigrette with lemon, olive oil, Dijon, and herbs.
Can I make these gluten-free?
Yes. Swap the panko for gluten-free panko, crushed gluten-free crackers, or chopped toasted nuts. Same crunch, same joy.
Is the crunchy topping necessary?
Technically no, emotionally yes. It takes this from good to cannot-stop-eating. If you are out of breadcrumbs, crushed crackers, crispy onions, or chopped toasted nuts all work.
Can I prep anything ahead?
Yes. Boil the potatoes, drain, and chill them (covered) for up to 24 hours. When you are ready, smash and roast. Cold potatoes may need a few extra minutes in the oven to get deeply crisp.