A question about a recipe: Meyer Lemon Macarons

Or 10 seconds in the microwave...

I wouldn't let the egg whites themselves set out for 24 hours, but definitely the eggs (unbroken) are fine overnight.

The idea is that they come to room temp as BurgeoningBaker indicates. This takes a bit longer than an hour, but 24 hours isn't necessary either.

To speed up the process you can take whole, fridge-cold eggs, and sit them in a bowl of faucet-hot water for 15 minutes.

Egg whites can be sat out for about 30 mins to 1 hour to come to room temp.

Thank you so much!! A friend gave us a bag of meyer lemons from her tree so I'm looking for great meyer lemon recipes - this one tops my list. :)

If you don't have a kitchen scale, you can work from the rule of thumb that the egg white of 1 large egg weighs about 30 grams -- so you'll need 2 eggs of whites. Because you'll be fully baking the whites in the oven, it's ok to leave them at room temperature!