GF lemon sheet cake

A fast, easy & yummy recipe stolen from my aunts house !

4 eggs
2 TBSP. lemon juice
1 c. sugar ( or low carb sweetener such as swerve )
3/4 c. GF flour mix ( use 3/4 c almond flour minus 2 tbsp, plus 2 tbsp coconut flour, for lower carbs )
1 tsp. vanilla
1/2tsp. xanthan gum
1/4c. veg.oil
1 TBSP. grated lemon peel

Beat eggs & sugar at high speed for 5 mins.
Add remainder of ingr. Beat until smooth.
Pour into greased & dusted ( with GF flour) 7 X 11 pan
Bake @ 375 for 25-35 mins.