| Time Metric | Duration |
| Prep Time | 20 minutes |
| Cook Time | 30–35 minutes |
| Cooling Time | 1 hour |
| Total Time | ~1 hour 55 minutes |
| Cooking Phase | Heat Intensity |
| Oven Preheating | 350°F (175°C) |
| Melting Chocolate/Butter | Low Heat (Stovetop or Microwave) |
| Baking | Steady, Moderate Heat |
Yields: 12 slices Category: Dessert, Low-Carb, Ketogenic
Equipment Needed
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8-inch round cake pan (or 8×8 inch square pan)
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Parchment paper
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Mixing bowls (one large, one medium, one heat-safe)
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Hand mixer or stand mixer
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Whisk
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Silicone spatula
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Wire cooling rack
Ingredients
For the Fudgy Cake:
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1 ½ cups (150g) Fine Almond Flour (not almond meal)
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⅓ cup (40g) Unsweetened Cocoa Powder (Dutch-processed preferred for color)
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¾ cup (150g) Granulated Sweetener (Monk Fruit/Erythritol blend or Allulose)
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1 ½ tsp Baking Powder
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¼ tsp Salt
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½ cup (115g) Unsalted Butter, softened
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4 Large Eggs, room temperature
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½ cup (120ml) Unsweetened Almond Milk, room temperature
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1 tsp Vanilla Extract
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1 tsp Instant Coffee Powder (dissolved in 1 tbsp hot water)
For the Glossy Fudge Frosting:
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3 oz (85g) Sugar-Free Dark Chocolate Chips or chopped baking chocolate
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¼ cup (60ml) Heavy Whipping Cream
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1 tbsp Unsalted Butter
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1 tsp Vanilla Extract
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A pinch of Salt
Step-by-Step Instructions
Phase 1: Preparation (Low Intensity)
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Preheat: Adjust your oven rack to the center position and preheat your oven to 350°F (175°C).
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Prepare Pan: Grease your baking pan thoroughly with butter or coconut oil. Line the bottom with a round of parchment paper to ensure easy removal. This is a crucial step for fudgy cakes, which can be delicate.
Phase 2: Mix the Battery (Moderate Intensity)
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Combine Dry Ingredients: In a medium bowl, whisk together the fine almond flour, Unsweeneted cocoa powder, granulated sweetener, baking powder, and salt. Ensure there are no lumps, especially in the cocoa powder.
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Cream Butter and Sweetener: In a large bowl (or stand mixer), beat the softened butter and granulated sweetener together on medium-high speed until light and fluffy (about 2-3 minutes).
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Add Eggs: Add the eggs one at a time, beating well after each addition. Scrap down the sides of the bowl as needed.
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Add Wet Flavorings: Mix in the vanilla extract and the dissolved instant coffee mixture.
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Alternate Dry and Wet: Reduce the mixer speed to low. Add one-third of the dry ingredient mixture to the wet ingredients, followed by half of the almond milk. Mix until just combined. Repeat with the next third of dry ingredients, the remaining milk, and finally the last of the dry ingredients. Do not overmix. Use a silicone spatula for the final fold to ensure everything is incorporated from the bottom of the bowl.
Phase 3: Bake (Moderate Heat Intensity)
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Fill Pan: Pour the batter into the prepared pan and smooth the top evenly with a spatula.
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Bake: Bake for 30–35 minutes.
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Check for Doneness: Fudgy cakes are tricky. You want the edges to be set, but the center should still be slightly soft. A toothpick inserted into the center should not come out clean; it should have a few moist, fudgy crumbs attached. If it comes out with wet batter, bake for 2 more minutes. If it comes out clean, you have made a standard chocolate cake, not a fudge cake (it will still be delicious!).
Phase 4: Cool (Resting Phase)
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Initial Cool: Remove the cake from the oven and let it cool in the pan on a wire rack for exactly 15 minutes.
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Turn Out: Carefully run a thin knife around the edge of the cake. Place the wire rack upside down over the top of the pan, and, using oven mitts, invert both the pan and the rack. Carefully lift the pan off. If using parchment paper, it should peel away easily.
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Final Cool: Allow the cake to cool completely on the rack before frosting. This takes at least 1 hour. If you frost a warm cake, the frosting will melt and become runny.
Phase 5: Frost (Low Heat Intensity)
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Prepare Ganache Base: Place the sugar-free chocolate chips and butter in a heat-safe glass bowl.
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Heat Cream: In a small saucepan over low heat, or in the microwave, heat the heavy whipping cream until it is hot and just beginning to simmer around the edges. Do not boil.
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Melt: Pour the hot cream over the chocolate and butter. Let it sit undisturbed for 5 minutes to melt.
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Whisk Smooth: Add the vanilla extract and a pinch of salt. Gently whisk the mixture, starting from the center and working outward, until it transforms into a smooth, glossy, uniform ganache.
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Set frosting: Let the ganache sit at room temperature for 10–15 minutes. It will thicken slightly as it cools, making it easier to spread.
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Frost Cake: Pour the thickened ganache over the center of the cooled cake. Use an offset spatula or the back of a spoon to gently push the frosting toward the edges, letting it drip naturally down the sides.
Nutritional Information (Per Slice)
Note: Calculations are estimates based on standard ketogenic ingredients. Net carbs are calculated as Total Carbs minus Fiber and Sugar Alcohols.
| Nutrient | Amount Per Serving |
| Calories | 295 kcal |
| Total Fat | 26g |
| Saturated Fat | 12g |
| Total Carbohydrates | 22g |
| Dietary Fiber | 6g |
| Sugar Alcohols (Erythritol) | 12g |
| Net Carbohydrates | 4g |
| Protein | 8g |