Passover Meringue Lemon Pie
A Passover lemon pie with a crisp baked meringue crust, optionally with nuts, filled with a tangy lemon custard thickened with potato starch.
From the recipe book of Sandra Mills, a Le Cordon Bleu-trained cook in our family.
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This pie turns the usual lemon meringue upside down: the meringue is the crust. Egg whites are beaten for as long as 20 minutes into very stiff peaks, spread in a pie plate with the sides built up high and baked low until dry and lightly browned.
The filling is a bright lemon custard thickened with potato starch, so the whole pie is kosher for Passover. Chill it before serving.
Ingredients
Meringue crust
- 4 egg whites, room temperature
- 1 cup sugar
- 1/2 cup chopped nuts (optional)
Filling
- 5 tablespoons potato starch
- 1 cup sugar
- A pinch of salt
- 2 cups water
- 3 egg yolks
- 1 tablespoon grated lemon rind
- 5 tablespoons lemon juice
- 2 tablespoons oil
Instructions
- Beat the meringue. Beat the egg whites until frothy. Gradually add the sugar a small amount at a time and beat until very stiff peaks form; this can take as long as 20 minutes. Fold in the nuts.
- Shape and bake. Spoon into a lightly oiled glass pie plate, building up the sides above the edge. Bake 45 minutes at 250°F, until lightly browned and dry. Shut off the oven and leave the door closed so the meringue continues to dry.
- Cook the filling. Put the potato starch, salt and sugar in the top of a double boiler. Add the water and cook over boiling water, stirring constantly, until thick; it gets clear and rubbery. Cover and cook 10 minutes, stirring occasionally.
- Add the yolks. Beat the yolks and stir in some of the hot mixture until smooth. Pour the yolks into the pot and stir until combined. Cook 2 minutes, stirring constantly.
- Finish. Remove from the heat and add the lemon rind, lemon juice and oil. Cool to room temperature without stirring.
- Fill and chill. Spoon into the baked meringue shell and chill.
Tips
- Salt appears in Sandra's method but not her list; a pinch is plenty.
- Make the meringue shell on a dry day; humidity keeps it from crisping.
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