In a large bowl, combine the egg yolks and whole eggs.
Add sugar and whisk together.
Gently warm the mixture over low heat while continuously whisking.
Add honey, then use a hand mixer to whip the batter until it is pale, thick, and forms ribbons.
Sift in the flour and add the milk.
Gently fold the ingredients together with a spatula until just combined.
Pour the finished batter into a parchment-lined baking pan.
Use a skewer to smooth the top and remove any large air bubbles.
Bake in a preheated oven until golden brown and cooked through.
Remove the castella from the oven and let it cool before slicing.
This recipe was organized by Hemogry AI based on the video.
Nutrition data is estimated based on the video and may not be fully accurate.