Almond bake at 160 degrees for 10 minutes. White egg bowl, beat it with low speed until foamy. Add sugar in 3 batches and beat with hight speed until stiff peaks formed. Sift cake flour in 3 batches and fold it gentle until mix well. Add baked almond. Fold to mix it. Transfer the batter into the tray, lined with parchment paper. Use spatula spread the batter evenly.

Bake again at 130 degrees for 25-30 minutes or until turn to golden brown.