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Keto Grandma’s Flan Cake with Chocolate

EVERYDAY TABLE  ·  Nov 6, 2026
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Keto Grandma’s Flan Cake with Chocolate is a cocoa cake made with almond flour, with a creamy flan layer poured over the batter before it goes into the oven. Both layers bake together in one 9-inch round pan. The cake makes 8 slices, and it chills for at least 2 hours before serving, so plan ahead.

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It is a recipe with a short list of ingredients for a dessert with two distinct layers: rich chocolate on the bottom and a smooth cream cheese and coconut milk layer on top. Each slice has 5 grams of carbohydrates and 1 gram of sugar, which makes it a low-carb treat. It suits a dinner party or a quiet evening, and the chocolate is sure to please your taste buds.

What Goes in Each Layer

The amounts are in the recipe card at the bottom. The cake has a chocolate batter and a separate flan mixture.

The chocolate layer

  • Almond flour (1 cup): the base of the cake. It gives a nutty flavor and a moist texture.
  • Unsweetened cocoa powder (1/2 cup): adds rich chocolate flavor without sugar, which is a good fit for a keto dessert.
  • Erythritol (1/2 cup, or your preferred keto sweetener): sweetens the cake without the carbs.
  • Baking powder (1 teaspoon) and salt (1/4 teaspoon): the baking powder helps the cake rise, and the salt balances the sweetness.
  • Unsalted butter (1/2 cup, melted): adds richness and moisture.
  • Large eggs (4) and vanilla extract (1 teaspoon): the eggs bind the batter and give it structure.
  • Unsweetened almond milk (1 cup): keeps the batter moist and adds a subtle nutty flavor.

The flan layer

  • Cream cheese (1/2 cup, softened): makes the flan layer creamy and smooth.
  • Granulated erythritol (1/4 cup): sweetens the flan without adding carbs.
  • Large eggs (2): give the flan structure and creaminess.
  • Vanilla extract (1 teaspoon): rounds out the flavor of the flan.
  • Unsweetened coconut milk (1 cup): adds a tropical note and more creaminess.

For a richer chocolate flavor, add a teaspoon of espresso powder to the chocolate batter. A topping of whipped coconut cream also works well.

Baking and Chilling

The card has the full method. In short, you mix the dry ingredients in one bowl and the melted butter, eggs and vanilla in another, add the almond milk gradually, and then combine the two just until mixed. Pour that batter into a greased 9-inch round pan. Blend the flan ingredients until smooth and pour them over the chocolate. The oven is set to 350°F. A few points matter along the way.

  • Measure accurately. A kitchen scale helps with the almond flour and the sweeteners, and gives consistent results. This matters for keto baking.
  • Use room-temperature eggs and cream cheese. They mix into a smoother batter and give a better texture.
  • Do not overmix. Stir the wet and dry ingredients just until combined. Overmixing can make the cake denser.
  • Check for doneness. Bake for 40 to 45 minutes. A toothpick in the center should come out clean or with a few moist crumbs, but no wet batter.
  • Cool before you chill. Leave the cake in the pan for 10 minutes, then move it to a wire rack, which keeps it from going soggy as it cools completely.
  • Chill for at least 2 hours. This brings out the flavors and gives the cake a better texture. It is the reason the card lists a total time of 2 hours 5 minutes.

The tools are basic. Mixing bowls, a whisk and a rubber spatula cover most of the work, and a hand mixer or stand mixer saves effort when you blend the batter and the flan layer. A glass or ceramic pan can stand in if you do not have a non-stick 9-inch round pan. These are all you need for this low-carb dessert, and you will be ready to bake it in no time.

Ways to Change It

Keto Grandma’s Flan Cake with Chocolate is simply irresistible – Delicious Variations to Customize Your Keto Dish
  • Nuts: add 1/2 cup of chopped walnuts or pecans to the chocolate batter for crunch.
  • Berries: mix 1/2 cup of fresh or frozen raspberries or blueberries into the flan layer. Their tartness goes well with the sweet cake.
  • Mint: add 1 teaspoon of peppermint extract to the chocolate batter for a minty flavor.
  • Pumpkin: swap the cocoa powder for 1 cup of pumpkin puree and add 1 teaspoon of pumpkin pie spice to the flan layer.
  • Hazelnut: mix 1/4 cup of sugar-free hazelnut spread into the flan layer.
  • Caramel: drizzle sugar-free caramel sauce over the top of the cake before chilling.
  • Flan flavors: coconut extract, almond extract or a little citrus zest in the flan layer.

Mix and match these changes to keep the dessert interesting. Each one gives the flan cake a different character.

What to Serve With It

These keto-friendly sides and drinks suit the rich flavors of the cake, which is a low-carb treat to build a plate around. For another seasonal option, see these keto cheesecake cups .

  • Fresh berries: strawberries, raspberries or blackberries add color and a fresh note.
  • Whipped coconut cream: a dollop on the side adds creaminess.
  • Keto ice cream: sugar-free vanilla or chocolate gives a contrast in temperature.
  • Cheese platter: soft cheeses like brie or cream cheese, with a sprinkle of herbs, give a savory balance.
  • Avocado salad: mixed greens and avocado with a lemon vinaigrette.
  • Drinks: herbal tea such as chamomile or peppermint, black coffee, or sparkling water with a squeeze of lime.

Storing and Making Ahead

Keep leftovers in an airtight container in the refrigerator for up to a week. This low carb custard dessert suits making ahead, since it needs at least 2 hours of chilling anyway. That makes it a good fit for meal prep or a special occasion.

Time and Nutrition

Prep takes 20 minutes and baking takes 45 minutes. With the 2-hour chill, the total is 2 hours 5 minutes. One slice has approximately 250 calories, 22 grams of fat (10 grams saturated), 5 grams of carbohydrates, 3 grams of fiber, 1 gram of sugar, 6 grams of protein and 200 milligrams of sodium. These are estimates.

FAQs

Can a different sweetener replace the erythritol?

Yes. Monk fruit or stevia both work. Adjust the quantity to the sweetness of the one you choose.

How should leftovers be stored?

In an airtight container in the refrigerator. The cake keeps for up to a week.

Is the cake gluten-free?

It uses almond flour instead of wheat flour, so it contains no wheat flour.

Can other flavors go in the flan layer?

Yes. Coconut extract, almond extract or a little citrus zest all work.

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Written and edited by The Foodie Yummy Kitchen Team

The Foodie Yummy Kitchen Team writes and edits the recipes on Foodie Yummy: classic American potluck salads, holiday sides and easy comfort food, with a few low-carb options. Every recipe lists exact quantities, numbered steps and a printable recipe card, plus notes on swaps, storage and make-ahead timing. Spot a problem with a recipe? Tell us through the contact page and we will correct it. About us

THE RECIPE

Keto Grandma’s Flan Cake with Chocolate is simply irresistible!

Prep20 min Cook45 min Total time125 min Yield8, 8 servings

Ingredients

Instructions

  1. Preheat your oven to 350°F. Grease a 9-inch round cake pan.

  2. In a mixing bowl, combine almond flour, cocoa powder, erythritol, baking powder, and salt. Mix well.

  3. In another bowl, whisk together melted butter, 4 eggs, and 1 teaspoon vanilla extract until smooth. Gradually add the almond milk and mix until combined.

  4. Pour the wet ingredients into the dry ingredients and stir until just combined. Pour the batter into the prepared cake pan.

  5. In a separate bowl, blend the cream cheese, 1/4 cup erythritol, 2 eggs, 1 teaspoon vanilla extract, and coconut milk until smooth. Pour this mixture over the chocolate batter in the cake pan.

  6. Bake for 40-45 minutes or until a toothpick inserted in the center comes out clean. Allow the cake to cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

  7. Chill the cake in the refrigerator for at least 2 hours before serving to enhance the flavors.

Notes

For a richer flavor, add a teaspoon of espresso powder to the chocolate batter.

You can also top the cake with whipped coconut cream for added creaminess.

Nutrition

Serving Size1 slice
Calories250 calories
Sugar Content1g
Sodium Content200mg
Fat Content22g
Saturated Fat Content10g
Unsaturated Fat Content12g
Trans Fat Content0g
Carbohydrate Content5g
Fiber Content3g
Protein Content6g
Cholesterol Content120mg
Source: foodieyummy.com · Original recipe source.