What potatoes are best for garlic Parmesan roasted potatoes?
Yukon Gold gives you a creamy interior with crisp edges, and they hold their shape nicely. Russets roast up extra fluffy and can get even crispier, but they are a bit more likely to break apart, which is not a bad thing if you like craggy bits.
Do I really need to parboil first?
If you want that restaurant-style crisp, yes. Parboiling for 8 to 10 minutes gives the potatoes a head start and creates a starchy surface that browns like a dream. If you skip it, they can still be good, just less crispy and more “roasted” than “shatteringly crisp.”
What does baking soda do, and should I use it?
A pinch of baking soda makes the water slightly alkaline, which helps the potato exterior break down a bit and turn into those crispy, craggy edges. It is great with russets. With Yukon Golds, it can make them soften faster, so keep an eye on them and do not overboil.
Why add Parmesan near the end instead of at the beginning?
Parmesan can burn at high heat, especially on the pan. Roasting first gives you browning without bitter cheese. Tossing with Parmesan for the last 5 to 8 minutes melts it onto the potatoes and keeps the flavor clean and nutty.
How do I keep the garlic from burning?
Even added late, fresh garlic can scorch at 450°F if it is sitting on the bare pan. The safest play is to toss the potatoes with garlic in a bowl (so it coats the potatoes, not the pan) and roast just long enough for it to turn fragrant. If you are worried, use garlic powder earlier in the roast and add fresh garlic right after baking, or lower the oven to 425°F for the final 5 to 8 minutes.
Can I use pre-grated Parmesan?
You can, but it will not melt and cling the same way. For best results, use finely grated Parmesan (Microplane style). It coats the potatoes instead of sitting there like little pebbles.
Why are my potatoes not getting crispy?
Common culprits: overcrowding the pan, not enough oil, oven not hot enough, parchment paper, or the potatoes are still wet after draining. Dry them well, give them space, and roast at 450°F. If the potatoes are packed in tight, use two pans.
Should I use parchment paper?
For maximum crisp, go directly on a hot pan (no parchment). If you prefer parchment for easy cleanup, do not preheat the parchment, and expect slightly less browning.