Lime Meringue Tart

INGREDIENTS

For the Lime Filling

1/4 lb

unsalted butter, at room temperature

1 1/2 cups

sugar

extra-large eggs

extra-large egg yolks (save the whites for the meringue)

1/4 cup

finely grated lime zest (6 to 8 limes)

1/2 cup

freshly squeezed lime juice

1/8 tsp

kosher salt

For the Tart

1 1/4 cups

all-purpose flour

1/2 cup

sugar, plus 3 tablespoons

Kosher salt

6 tbsp

cold unsalted butter, diced

2 tbsp

cold shortening (recommend: Crisco)

1/4 cup

ice water

extra-large egg whites, at room temperature

1/4 tsp

cream of tartar

Lime Filling