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Paleo Lime & Coconut Tart

Lime & Coconut Tart (Paleo, Gluten-Free)

  • Author: Irena Macri
  • Prep Time: 45 minutes
  • Cook Time: 35 minutes
  • Total Time: 1 hour 20 minutes
  • Yield: 8 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: French

Description

This paleo lime and coconut tart is made with grain-free, dairy-free ingredients but it certainly doesn’t lack in flavour. The custard-like filling has tropical lime and coconut flavour and the crust is nutty and lightly sweetened.


Scale

Ingredients

For the tart base
1+ 1/3 cups almond meal
1/2 cup tapioca flour or cassava flour
1/3 cup coconut flour
125 g (about 1/2 cup) cold ghee or unsalted butter (see notes below)
1 egg yolk
1 teaspoon stevia powder or 1 tbsp coconut syrup or honey
Coconut oil or extra ghee for greasing

For lime and coconut filling
1.5 cup coconut milk (shake a can of full-fat coconut milk)
0.5 cup coconut cream (use only the thickened part of coconut milk)
3 kaffir lime leaves (if available, dried are also fine, use leftovers in curries)
Zest of 1 lime
Juice from 1.5 limes
3 tablespoons Stevia powder (or 1/3 cup coconut syrup or honey)
2 whole eggs
2 egg yolks
1 teaspoon baking powder
To finish:
1/2 cup shredded unsweetened coconut
Extra lime peel, fresh mint, and berries

Note: I used a tart tin with a removable bottom, which I highly recommend for this recipe. 8-9″ tin will work or you can use smaller but deeper tin or mini tart ones. 


Instructions

TO MAKE THE BASE

  • Combine almond meal and flours with diced or spooned cold ghee and stevia or another sweetener in a food processor. Process until the mixture turns into crumbs. Add the egg yolk and process until the mixture turns into thick dough pieces.
  • Remove the mixture onto a surface sprinkled with a little tapioca or cassava flour. Knead the mixture into a ball with your hands. The dough will be very soft but pliable. Given the ingredients, the texture is different to gluten-based flour dough, so it’s too fragile to roll out with a pin. Instead, we’re going to use it like playdough.
  • Grease the bottom and sides of the tart tin (or flat tin) very lightly with some coconut oil or soft ghee. Break a few small pieces of the dough and start lining up the sides of the tin, pressing down with your fingers and making sure the thickness is even all around. Spread the remaining dough mixture on the bottom of the tin and press it down to the edges, merging with the wall lining. Make sure there are no visible gaps and the thickness is as even as possible all over the bottom and the walls of the tin. It will look a bit like a cheesecake base.
  • Cover with cling wrap or a large plate and refrigerate for 20 minutes.
  • Preheat the oven to 190 C / 375 F. Measure a piece of baking paper big enough to cover the tart tin with overlapping edges. Scrunch the paper with your hands first, then place inside the tin on top of the pastry. Add enough dried beans, chickpeas or dry rice to add weight and hold the paper in place evenly. This helps to prevent the pastry from rising when we blind bake the tart (see pictures above).
  • Bake for 12-14 minutes, then remove the paper and dried ingredients inside and pop back in the oven for more 5 minutes for the bottom to cook. The pastry isn’t completely cooked as we will continue to bake the tart with the filling inside and you don’t want to burn the pastry. 
  • Remove the pre-cooked tart from the oven very carefully as the edges are quite fragile. Prepare the filling while the base is baking.

TO MAKE THE FILLING 

  • Add coconut milk and cream, lime zest, lime juice, kaffir lime leaves (if using) and Stevia (or coconut syrup/honey) to a small saucepan and place over low heat. Stir through and leave on the heat but don’t bring to simmer or boil, only until it starts steaming. Take off the heat and let it infuse for 10 minutes while the base is baking. 
  • Once infused and cooled down, strain the coconut milk mixture into another bowl or pot to remove the lime zest and leaves.
  • Preheat the oven back to 160 C / 320 F.
  • Whisk the eggs and the yolks in a large bowl until frothy. Gradually, stir in the coconut milk mixture and the baking powder.
  • Pour the mixture into the pre-cooked tart casing in the tin. Place in the oven, middle shelf, and bake for 15-20 minutes until the custard filling is set. It might still look a little wobbly but it will finish cooking and set once out of the oven. 
  • Remove from the oven and allow to cool and set on the countertop. 
  • In the meantime, toast the shredded coconut in a frying pan over medium heat for 3-4 minutes, stirring frequently until it turns golden brown. Sprinkle over the tart and garnish with extra lime zest or fresh mint if you like. Serve with berries or fruit of choice. 

Notes

Fat for the tart pastry: You can use ghee (clarified butter) which is 99% dairy-free or regular butter if tolerated. Make sure the ghee or butter are cold. You could also try using cold coconut oil instead.

Coconut milk and cream: You will need 2 x 400 ml cans of full-fat coconut milk, look for 50-75% coconut content minimum. Where I call for coconut milk, shake the whole can and use the mixed coconut milk; where I call for coconut cream, don’t shake the can, open it and use the thickened part of the milk from the top. That’s the cream.

A note on baking blind…
The dried (or special-purpose ceramic) beans help to support the sides and edges of the tart case and weigh down the base to prevent it from rising in the oven. Scrunching up the baking paper first, before unfolding it, helps to get it into the edges of the pastry case, ensuring the sides are well supported by the beans. If you are blind baking individual tart cases, use small dried beans or rice.

Using egg white
To provide a protective seal between the blind baked pastry and a wet filling, so the pastry won’t turn soggy, you can brush the pastry with lightly beaten egg white and return it to the oven for 3–4 minutes. This will also seal any very small holes or cracks. This is optional and I didn’t do it for this recipe.

Nutritional information is based on using Stevia powder as a sweetener. Carbs/sugar content will be higher if using coconut syrup or honey.

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