PREPARATION METHOD:
1st Step
Prepare your oven by heating it to 325 degrees Fahrenheit (160 degrees Celsius). And then transfer the pie crust to a dish with a circumference of 9 inches. You have the option of using a crust that you purchased or making your own.
2nd Step
In a combining basin, whisk the egg yolks until creamy and translucent. Continue beating while slowly adding in the granulated sugar until everything is well mixed.
3rd Step
Combine the melted butter, flour, milk, lemon juice, and lemon zest in a mixing bowl. Stir until combined. Blend until it is silky smooth and completely integrated.
4th Step
In a separate dish, whip the egg whites to the point when they form firm peaks. For convenience, this may be done using an electric mixer. After beating the egg whites, carefully fold them into the lemon mixture until the ingredients are just blended. Take care not to overmix.