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Lemon Posset Tart

Lemon Posset Tart

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A bright and refreshing citrus tart featuring a buttery shortcrust shell filled with a silky, three-ingredient lemon cream that sets to a luscious consistency.

Ingredients

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  • 1.5 cups All Purpose Flour
  • 0.5 cups Cold Unsalted Butter
  • 0.75 cups Granulated Sugar
  • 2 cups Heavy Cream
  • 3 large Fresh Lemons (zest and juice)
  • 0.25 teaspoons Salt
  • 0.5 teaspoons Vanilla Extract

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Mix flour, 0.25 cups sugar, and salt. Rub in cold butter until crumbly, then press into a tart pan.
  3. Bake the crust for 18-20 minutes until golden. Let cool completely.
  4. In a saucepan, combine heavy cream and the remaining 0.5 cups sugar. Bring to a boil, then simmer for 3 minutes.
  5. Remove from heat and whisk in the lemon juice, lemon zest, and vanilla.
  6. Let the mixture sit for 10 minutes, then pour into the cooled tart shell.
  7. Refrigerate for at least 4 hours or until completely set.

Notes

  • Ensure the cream and sugar boil for a full 3 minutes to guarantee a firm set.
  • Use only fresh lemon juice for the best flavor and structural results.
  • Chill the tart shell before baking to prevent the sides from shrinking.