Mix Egg (2) yolk and Gavia™ Natural Sweetener (2 tablespoon). Whisk until fluffy.
Add Lemon (1), Lemon Extract (1/4 teaspoon) and Vanilla Extract (1/4 teaspoon). Whisk until combined.
Whisk in Milk (2 tablespoon) and Oil (2 tablespoon) until well combined.
Sift and stir in All-Purpose Flour (40 gram), Corn Starch (2 1/2 teaspoon), Baking Powder (1/2 teaspoon), and Salt (1/8 teaspoon). Set aside.
Using a stand mixer whisk egg whites until frothy. Slowly add in Gavia™ Natural Sweetener (3 tablespoon). Whisk on high speed until stiff peaks are formed.
Fold into the lemon cake mixture 1/3 at a time.
Pour mixture into a 6-inch chiffon cake pan. Drop pan a few times to raise air bubbles out. Skewer to remove big air bubbles.
Preheat the oven at 338 degrees F (170 degrees C).
Place cake mixture into preheated oven and bake for 35 minutes at 338 degrees F (170 degrees C).
Cool the cake upside down. Remove from pan, serve and enjoy!