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Low-Carb Chocolate & Lime Tarts

4.6 stars, average of 34 ratings

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There is so much happiness to be found in a good chocolate tart. A tart to slow your pace, curl up with and forget the world exists. A cake for ‘me time.’ This is it.

Cacao, coconut oil and avocado, a velvety smooth filling to coat your mouth better than any dairy milk. This is a recipe for the mother of all chocolate tarts, my gift to those of you who appreciate the value of good cake. What’s more, it’s low carb and refined sugar free. It’s positively good for you cake!

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Hands-on Overall

Serving size tart

Allergy information for Low-Carb Chocolate & Lime Tarts

✔  Gluten free
✔  Dairy free
✔  Nightshade free
✔  Pork free
✔  Fish free
✔  Shellfish free
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Nutritional values (per serving, tart)

Net carbs6.1 grams
Protein11.1 grams
Fat36.1 grams
Calories400 kcal

Calories from carbs 6%, protein 11%, fat 83%

Total carbs16.8 gramsFiber10.7 gramsSugars2.2 gramsSaturated fat10.9 gramsSodium85 mg(4% RDA)Magnesium116 mg(29% RDA)Potassium776 mg(39% EMR)

Ingredients (makes 6-12 servings)


Note: One whole tart can be served for breakfast, while half of the tart will be enough when served after a meal. If you just started following a low-carb diet, then you may find some recipes not sweet enough. You can add a few extra drops of stevia or a little more erythritol or Swerve to suit your palate.


  1. Make the low carb tart bases as per the recipe here (Just make 6 tarts instead of 8 tarts, 12 cm /5 inch each).
  2. Once the crusts are baked and golden, remove from the oven and allow to cool. Low-Carb Chocolate & Lime Tarts
  3. Meanwhile, prepare the filling. Remove the skins and stones from the avocados. Place the avocado meat, sweetener (start with 1 tablespoon and adjust to taste), coconut oil, lime juice, salt and cacao in large mixing bowl.
  4. Using a hand blender, blitz until smooth. Taste and adjust the sweetness to your palate.
    Low-Carb Chocolate & Lime Tarts
  5. Divide the chocolate filling into 6 and fill each of the keto tart crusts. Spread evenly across the base to the edges using a spatula.
  6. Place in the fridge to set for at least an hour until set. Option to place in the freezer for 45 minutes if in a hurry. Low-Carb Chocolate & Lime Tarts
  7. Grate the dark chocolate and lime zest. Remove the keto chocolate tarts from the fridge or freezer and top with grated chocolate and lime zest. Keep in the fridge until ready to serve. Option to remove them 5 minutes before serving if you prefer a softer filling. I like mine straight from the fridge. Pairs well with this keto vanilla soft scoop ice cream, full-fat plain Greek yogurt or coconut yogurt. Low-Carb Chocolate & Lime Tarts One tart can be served for breakfast, while half of the tart will be enough when served as a dessert. Low-Carb Chocolate & Lime Tarts

Ingredient nutritional breakdown (per serving, tart)

Net carbsProteinFatCalories
Almond flour (blanched ground almonds, almond meal)
1.8 g4.5 g10.9 g123 kcal
Whey protein powder (protein isolate, Jay Robb)
0.1 g2.4 g0 g10 kcal
Eggs, free-range or organic
0.1 g0.9 g0.7 g10 kcal
Coconut oil, extra virgin
0 g0 g3.4 g30 kcal
Avocado, fresh
1.8 g2 g14.7 g160 kcal
Erythritol (natural low-carb sweetener)
0.2 g0 g0 g1 kcal
Coconut oil, extra virgin
0 g0 g4.5 g40 kcal
Lime juice, fresh
0.9 g0 g0 g3 kcal
Cocoa powder, raw (cacao)
1 g0.9 g0.7 g11 kcal
Salt, pink Himalayan rock salt
0 g0 g0 g0 kcal
Extra dark chocolate (99-100%)
0.2 g0.4 g1.3 g11 kcal
Lime zest (peel), fresh
0 g0 g0 g0 kcal
Total per serving, tart
6.1 g11.1 g36.1 g400 kcal

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Jo Harding
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Jo Harding

Food is one of life’s most powerful medicines. I’m a true testament that once you find the right approach for you, you can overcome poor health through the healing power of food.

I believe the secret to radiant health starts and ends with a healthy gut so my recipes are all grain, gluten and refined sugar free. Most are also dairy-free.

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Comments (2)

I liked these very lightly sweet tarts. I only used 1/2 the lime juice & with the zest on top thought that gave a good amount of lime flavor. I don’t think my non keto friends appreciated them as much, but my unsuspecting daughter loved it.


Thank you Melanie! That is always the case when I use little to no sweetener. We are used to it and prefer it but my non-keto friends are not so convinced 😊