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Key Lime Pie

By: Schwartz UK

March 11, 2026

Wondering how to make key lime pie? We’ve got you covered with this delicious key lime pie recipe starring tangy lime custard filling, a crunchy biscuit crust, and light-as-air double cream topping. Trust us when we say, one slice of this key lime pie won’t be enough!

Ingredients

  • 1
  • 325 digestive biscuits, blitzed to a crumb
  • 125 unsalted butter, melted
  • 1/2 sea salt mill adjustable
  • 1 can of condensed milk (397g)
  • 4 large egg yolks
  • 5 limes, zest and juice (approx. 60g)
  • 325 double cream
  • 1 icing sugar
  • 1 x 23cm x 3.5cm fluted tart tin 1 x 23cm x 3.5cm fluted tart tin

Nutrition Information

(per serving)

Wondering how to make key lime pie? We’ve got you covered with this delicious key lime pie recipe starring tangy lime custard filling, a crunchy biscuit crust, and light-as-air double cream topping. Trust us when we say, one slice of this key lime pie won’t be enough!

Key products

Instructions

  1. Pre-heat oven to 150ºC fan. *
  2. In a medium bowl, mix biscuit crumbs and melted butter with a spatula until combined. *
  3. Press into the tart tin and all up the sides until as neat as possible and bake in the centre of the pre-heated oven for 10-12 minutes. Remove and leave to cool. *
  4. In a stand mixer or with an electric whisk in a medium bowl, beat the egg yolks for a couple of minutes, then add the condensed milk and beat for another 4-5 minutes and finally add the lime zest and juice, beat again for another few minutes. *
  5. Pour the filling into the base, making sure its evenly distributed and bake in the centre of the pre-heated oven for 10-12 minutes. Remove and leave to cool, once Its room temperature place in the fridge to chill, ideally overnight. *
  6. Once ready to serve, whip cream and icing sugar to soft peaks and dollop artfully over the pie in a design of your choosing. Decorate with lime zest and serve. *

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