Recipe

Key Lime Pie with Pretzel Crust

Tame sultry temps with the Sunshine State’s chillest dessert

Key limes

Illustration: JOHN BURGOYNE


For Natasha Burton, a pastry chef and the founder of Mixed Fillings Pie Shop in Jacksonville, Florida, it all started with her Easy-Bake Oven. “When the light bulb finally gave out, my mom let me graduate to the real thing,” she says. “Baking became a space where I could experiment and express myself.” As a Sunshine State native, Burton counts local key limes among her favorite ingredients when she’s getting creative in the kitchen. “Where a standard lime can feel clean and straightforward, a key lime has layers,” she says. “They’re smaller, more aromatic, and a little more assertive.”

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Come June and July, when temperatures soar and the limes hit peak ripeness, Burton has one dessert in mind: key lime pie. “In the middle of summer, you don’t want anything heavy,” she says. “You want something that wakes you up. Key lime pie does exactly that. It’s cool, it’s creamy, but it has that bright acidity that cuts through the heat.” Burton has tweaked her version (see recipe) over the years. What started as a weekend dessert for family and friends became an obsession. She refined the textures and balanced the flavors before landing on a crushed pretzel crust—giving the pie a satisfying sweet-and-salty contrast.

When gathering the golf-ball-sized fruits at the market (or, if you’re in Florida, from a friend’s backyard tree), look for limes that are turning yellow, a sign of ripeness. The skin should give slightly with a light squeeze, an indication they’re full of juice. To slice through the swelter, serve Burton’s pie chilled with cool whipped cream. “It’s the kind of dessert that feels like a breeze off the water,” she says, “light, a little tangy, and just sweet enough to keep you coming back for another bite.”


Key Lime Pie with Pretzel Crust

Yield: 1 (9-inch) pie

For the crust

    • 6½ tbsp. butter, melted

    • ⅔ cup crushed salted pretzels

    • ½ cup brown sugar

For the filling

    • 1 can (14 oz.) sweetened condensed milk

    • 5 egg yolks

    • ⅓ cup juice from 6 to 8 key limes, with zest from those limes reserved

    • Whipped cream, pretzel dust, and lime slices, for garnish

Preparation

  1. Make the crust: In a medium mixing bowl, mix together butter, crushed pretzels, and brown sugar until well combined. Scoop mixture into pie dish. Using the bottom of a measuring cup or drinking glass, press into the bottom and sides of the dish to create a thin layer (you may have a little crust mixture left over).
  2. Make the filling and assemble: Preheat oven to 325°F. In a bowl, whisk to combine condensed milk, egg yolks, lime juice, and zest. Pour mixture into the prepared crust. Bake until the edges have set and the pie has a slight jiggle to the center, about 20 to 25 minutes. Let cool completely on a wire rack. Store in the fridge, and serve chilled. Garnish to your liking with whipped cream, pretzel dust, and lime slices.