Gather the cheese filling ingredients.
One by one, separate the egg yolks from the egg whites being careful that no egg yolk enters the egg whites.
Beat the egg whites until they hold stiff peaks. Set Aside.
Beat the cheese on a low speed until creamy.
Continuing on a low speed, gradually beat in the honey until light and fluffy.
Beat in the egg yolks, one at a time until well blended.
Blend in the yogurt, vanilla, lemon juice, and lemon rind until well blended.
Add the oat flour and blend until smooth. Remove the bowl from the mixer.
Using a spatula, delicately fold the beaten egg whites into the cheese mixture until distributed evenly.
Gently pour onto the baked crust in the prepared baking pan and distribute evenly.
Bake for 50 minutes or until the top of the cake is golden.
Turn off the heat and let the cake cool in the oven for 1 hour.
Remove the cake and let it cool at room temperature up until 1/2 hour.
Chill in the refrigerator for 8 hours or overnight.