Lemon Meringue Puff Pastry Tarts1 10-Ounce Box Frozen Puff Pastry Shells
½ Cup Plus 6 Tablespoons Sugar, Divided
3 Tablespoons Cornstarch, Divided
Pinch of Salt
3 Large Eggs, Separated
1 ½ Teaspoons Lemon Zest and ¼ Cup Lemon Juice from 2 Lemons
1 Tablespoon Butter
½ Teaspoon Vanilla Extract
*Bake shells per package instructions
*Cool then scoop out undercooked insides; discard insides and tops.
*Adjust oven rack to lower-middle position.
*Heat oven to 325 degrees.
*Wisk together ½ Cup sugar, 2 Tablespoon cornstarch and salt in a medium, non-reactive saucepan.
*Add egg yolks.
*Whisk in ¾ Cup water gradually.
*Over medium heat bring to a simmer, whisking occasionally, then for frequently as mixture thickens, 4 to 5 minutes.
*Whisk in lemon zest, then juice, then butter. Whisking constantly, simmer for 1 minute.
*Remove from heat; place plastic wrap on surface of lemon filling to prevent a skin from forming.
*Slowly heat 1/3 cup water and remaining 1 Tablespoon of cornstarch in a small saucepan, whisking occasionally, then frequently as mixture thickens and turns translucent.
*Remove from heat.
*In a bowl, using an electric mixer immediately beat egg whites and vanilla until frothy.
*Beat in remaining 6 Tablespoons sugar, one at a time, until soft peaks form.
*Dollop the warm cornstarch mixture into the egg-white mixture; keep beating until stiff peaks form.
*Spoon a portion of lemon filling into each pre-baked pastry shell. Then use a spoon or a pastry bag fitted with a tip to top each tart with a generous cap of meringue. (You will have extra meringue.)
*Bake until meringue is golden brown, about 15 minutes. Transfer to wire racks; cool to room temperature.