01 -
Preheat oven to 350°F (175°C). Grease and flour a 9x13 inch baking pan.
02 -
Whisk eggs and sugar until light and fluffy.
03 -
Gradually whisk in lemon juice and zest.
04 -
Whisk flour and baking powder. Gradually add to wet ingredients, mixing gently until combined.
05 -
Stir in melted butter and vanilla extract. Mix until combined.
06 -
Pour batter into pan and bake for 30-35 minutes. Let cool completely before serving.