Lemon Tart with Marie Biscuit Crust

Lemon Tart with Marie Biscuit Crust

Marie biscuit crust is filled with a bright and sweet lemon curd, all magically made in the microwave. Once cooled, top this zesty lemon tart with whipped cream for an extra something sweet.

All of Anyday’s recipes are tested (and retested!) in many different microwaves and home kitchens to make sure they work — and work well.


Select your microwave wattage in the dropdown. The cook times in this recipe will automatically change accordingly.

To find your microwave’s wattage, look at the front panel, the side of the door, in the back, in the user manual, or Google the model number. If both an input and output wattage are listed, use the output.

Wattage translates to how powerful the microwave is. The higher the wattage, the faster your food will cook. The lower the wattage, the longer the cook time.

When in doubt, start with less time — you can always add more.


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Product Size

  • Small Dish
  • Medium Shallow
  • Large Shallow
  • Medium Deep
  • Large Deep

Prep Time

10 mins

Cook Time

7-8 mins

Free Time

to do an online yoga class


For the crust

  • 2 tablespoons unsalted butter
  • ½ cup (40g) Marie biscuit crumbs

For the filling

  • 4 tablespoons butter, cut in chunks (½ stick)
  • ½ cup (115ml) lemon juice, from about 2-3 lemons
  • 1 teaspoon gelatin powder, unflavored (½ package)
  • cup (75g) granulated sugar
  • 1 egg
  • 2 egg yolks
  • ½ pinch of salt
  • Whipped cream, optional


  1. Make the crust: Melt the butter in the Shallow Anyday dish. Add the Marie biscuit crumbs and mix into the melted butter. Form a crust by pressing the crumb mixture evenly into the bottom of the dish.
  2. Make the filling: Place butter in the Deep Anyday dish, and cook uncovered for 1-2 minutes in 30 second intervals, or until fully melted.
  3. Add the lemon juice, gelatin, sugar, eggs, yolks, and salt and blend with an immersion blender until well incorporated. (Using an immersion blender or regular electric blender is imperative to the success of the recipe.) 
  4. Cook uncovered at Power Level 6

    Certain foods cook best in the microwave at lower power levels. 

    Different microwaves have different settings. See your microwave manual (or look it up online) to learn how to change your microwave’s power level.

    For many microwaves: enter the cook time, press the “Power” (or “Power Level”) button, and select a number between 1-10. Other microwaves may require selecting the Power Level first, and then entering the cook time.

    Microwaves list power levels in different ways. Here’s a guide to help you adjust:

    PL 10 = 100% = High (default)

    PL 9 = 90% = High

    PL 8 = 80% = Med-High

    PL 7 = 70% = Med-High

    PL 6 = 60% = Medium

    PL 5 = 50% = Medium

    PL 4 = 40% = Med-Low

    PL 3 = 30% = Med-Low

    PL 2 = 20% = Low

    PL 1 = 10% = Low

    You will know if the power level has been successfully changed if you hear periodic changes in the microwave’s tone after it begins cooking.

    for 6 minutes. The curd will be ready when the mixture coats the back of a spoon. If needed, cook for 30-second intervals until done.
  5. Whisk the curd until it thickens and strain into the prepared crust to remove any potential curdled whites. 
  6. Allow the tart to cool completely in the refrigerator and serve with whipped cream.

Serving suggestions & tips

  • Substitute the lemon juice for key lime juice.
  • For a lemon meringue pie, make a meringue and torch the top.
  • Place sliced strawberries onto the crust before pouring the lemon curd for a fruit-studded dessert.