Prep baking pans-Line bottoms with parchment paper AFTER coating pans.
Preheat oven to 350℉ with rack positioned in the middle.
Place 4 room temperature eggs in a stand mixer and fitted with whisk attachment. Whisk on HIGH for approximately 5 minutes. Mixture should appear a bright yellow and thick.
Add sugar into egg mixture and continue to whisk on HIGH for about another 5 minutes. Scrape around sides and bottom of mixing bowl halfway to ensure thorough incorporation, Mixture should appear a pale yellow that is light and fluffy.