Tips for making orange sponge cupcakes:
🍊 Mix the flour with the eggs first, before adding orange zest to the batter. It protects the eggs from the acid in the orange peel. If you add the zest before or with the flour, the batter will become thin and bubbly. The bubbles won't magically disappear in the oven, so your cakes will be full off big holes.
🍊 After adding orange zest and juice, along