Grease a 9x13 pan, set aside

Name: Grease a 9x13 pan, set aside
Ingredients: ◾Freshly squeezed juice and zest of 2 lemons; ◾2 eggs; ◾1/2 cup granulated sugar (100g); ◾Pinch of salt; ◾3 tablespoons unsalted butter, diced (40g)