Baker’s Best: Key Lime Pi(e) for Pi Day or Any Day

March 14, 2023

It’s Pi(e) Day! What better way to celebrate than with a home-baked pie. I chose this recipe because it is one of my favorite pies and it has been a family favorite for years. It’s a dessert favored by my Dad; often served to him on Father’s Day.  

Years ago, when I was an emerging baker and dessert aficionado, Dad sent me this post card recipe from Key West while he and Mom were there on vacation.

With St. Patrick’s Day approaching, the concept of including green in my dessert seemed appropriate. Interestingly enough, although the recipe includes limes, the pie is a golden yellow in color.  

You don’t have to be in Key West to enjoy this tasty, creamy pie!  

Key Lime Pie

With St. Patrick’s Day approaching, the concept of including green in a dessert seemed appropriate. This is also a great pie for Pi Day. Photo by Jane Taylor
  • Set oven to 350 degrees

Prepare graham cracker crust as follows:

  • Melt: 8 tablespoons butter in saucepan
  • Add: 2 cups graham cracker crumbs and ½ cup sugar
  • Mix together and press in pie pan 

Pie Filling:

  • Beat 2 egg whites stiff

Fold into the mixture below:

  • 2 cans sweetened condensed milk
  • 8 egg yolks
  • 1 cup lime juice (juice from 7-8 limes)
  • Spoon into pie pan on top of pie crust


  • Beat 3 egg whites and gradually add 6 tablespoons of sugar and ½ teaspoon of cream of tartar and spoon onto pie mixture.


  • Bake until egg whites are golden brown (approximately 12 minutes)
  • Cool pie before serving
  • Refrigerate pie until ready to serve


  • Sprinkle lime zest on top of the pie after baking
  • Add twist of lime in the pie center for color and decoration
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