Wash limes. Rinse. Zest to get 1 tablespoon of lime zest.
Juice limes to get 1/2 cup lime juice plus 2 tablespoons.
Beat egg yolks with mixer until golden and creamy.
Add in lime juice, sweetened condensed milk and lime zest.
Mix until well incorporated.
Pour into prepared pans.
This recipe will make one large pie or tart (9 inches) or 4-6 smaller tarts depending on size of your tart pan.
Bake at 350 degrees F for 10-15 minutes. Center should not jiggle.
Cool completely. Refrigerate overnight.
Apply Whipped topping before serving. If you stabilize whipped cream, you can apply whipped cream and put back into refrigerator for several hours to two days.