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Prep Time: 30 minutes (plus 24 to 48 hours for soaking fruit)
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Bake Time: 2 hours 15 minutes
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Cooling & Setting Time: 4 hours
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Total Active Time: 2 hours 45 minutes
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Yield: 12–16 thick slices (One 9-inch / 23cm round cake pan)
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Heat / Baking Intensity: Low & Slow (300°F / 150°C convection or standard thermal)
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Skill Level: Intermediate
Ingredients
1. The Soaked Fruit & Nut Mix
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200g (1 ¼ cups) Dark raisins
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200g (1 ¼ cups) Golden sultanas
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150g (1 cup) Dried cranberries or tart cherries
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100g (⅔ cup) Chopped dried figs or dates
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100g (⅔ cup) Glacé cherries, halved
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75g (½ cup) Mixed candied citrus peel, finely chopped
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120ml (½ cup) Dark rum, brandy, or orange juice (for alcohol-free)
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Zest and juice of 1 orange
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Zest and juice of 1 lemon
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100g (1 cup) Chopped pecans or walnuts
2. The Gluten-Free Flour & Spice Base
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250g (2 cups) 1-to-1 Gluten-Free Baking Flour blend (containing xanthan gum)
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50g (½ cup) Almond flour (fine ground)
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1 tsp Xanthan gum (omit if your 1-to-1 flour blend already contains it)
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1 ½ tsp Ground cinnamon
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1 tsp Ground ginger
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½ tsp Ground nutmeg
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¼ tsp Ground cloves
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¼ tsp Ground allspice
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1 tsp Baking powder (gluten-free)
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½ tsp Fine sea salt
3. Batter Wet Ingredients
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225g (1 cup / 2 sticks) Unsalted butter, softened to room temperature
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200g (1 cup) Dark brown sugar or muscovado sugar
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4 large Eggs, room temperature
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2 tbsp Black treacle or dark molasses
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1 tsp Pure vanilla extract
Step-by-Step Preparation
Phase 1: Fruit Soaking (24 to 48 Hours Prior)
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Combine the Dried Fruit: In a large glass or ceramic bowl, combine the dark raisins, sultanas, dried cranberries, chopped figs, glacé cherries, and candied citrus peel.
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Add Liquid & Citrus: Pour the dark rum (or orange juice) over the fruit mixture, followed by the fresh orange zest, orange juice, lemon zest, and lemon juice.
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Macerate: Stir thoroughly to ensure all fruit is evenly coated. Cover the bowl tightly with plastic wrap and let it soak at room temperature for at least 24 hours (preferably 48 hours), stirring once or twice daily so the fruit absorbs all the liquid.
Phase 2: Mixing the Cake Batter
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Prep the Oven & Pan: Preheat your oven to 300°F (150°C). Grease a deep 9-inch (23cm) round springform or solid cake pan. Line the bottom and walls with a double layer of parchment paper, extending the paper about 1 inch above the top edge to protect the sides from over-browning.
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Sift Dry Ingredients: In a medium bowl, whisk together the 1-to-1 gluten-free flour, almond flour, xanthan gum, cinnamon, ginger, nutmeg, cloves, allspice, baking powder, and salt. Set aside.
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Cream Butter & Sugar: In a large mixing bowl (or stand mixer fitted with the paddle attachment), beat the softened butter and dark brown sugar on medium speed for 4–5 minutes until light, fluffy, and fully combined.
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Emulsify Eggs: Add the eggs one at a time, beating well after each addition. Incorporate the black treacle (or molasses) and vanilla extract. Note: If the mixture looks slightly curdled at this stage, add 1 tablespoon of the dry flour blend to bring it back together.
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Fold in Dry Ingredients: Turn the mixer to low speed (or use a rubber spatula) and gently fold in the spiced flour mixture just until no dry flour streaks remain.
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Incorporate Fruit & Nuts: Stir the chopped pecans (or walnuts) directly into the soaked fruit bowl. Pour the entire fruit and liquid mixture into the batter. Use a sturdy spatula to fold everything together thoroughly until the fruit is evenly suspended in the batter.
Phase 3: Baking & Cooling (Intensity & Timing Protocols)
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Fill the Pan: Spoon the thick batter into your prepared cake pan. Smooth the top with the back of a spoon or spatula, creating a very slight indentation in the center to help the cake bake flat.
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Bake (Low & Slow Intensity): Place the pan on the center rack of the oven. Bake at 300°F (150°C) for 2 hours to 2 hours 15 minutes.
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Browning Check: If the top of the cake begins to brown too quickly around the 90-minute mark, loosely tent the top with a sheet of aluminum foil.
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Doneness Test: A skewer inserted into the center of the cake should come out clean or with a few moist crumbs, but no wet batter.
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Cooling: Remove the cake from the oven and set the pan on a wire cooling rack. Immediately brush the hot top with an optional 2 tablespoons of extra dark rum or brandy. Allow the cake to cool completely in the pan before turning it out.
Serving & Storage Notes
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Immediate Enjoyment: Once completely cool, slice with a sharp serrated knife.
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Maturing / Feeding (Optional): Wrap the fully cooled cake tightly in parchment paper and then aluminum foil. Store in an airtight container in a cool, dark place. Once a week for up to 4 weeks, unwrap the top and lightly brush with 1–2 tablespoons of rum or brandy before rewrapping.
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Freezing: Wrap individual slices or the whole un-iced cake tightly in plastic wrap and foil; freeze for up to 6 months. Thaw at room temperature.
Nutritional Analysis
Serving Size: 1 slice (based on 16 equal servings)
| Metric | Quantity per Serving | % Daily Value* |
| Calories | 385 kcal | — |
| Total Fat | 16 g | 21% |
| Saturated Fat | 8 g | 40% |
| Trans Fat | 0 g | — |
| Cholesterol | 62 mg | 21% |
| Sodium | 140 mg | 6% |
| Total Carbohydrate | 56 g | 20% |
| Dietary Fiber | 4 g | 14% |
| Total Sugars | 36 g | — |
| Protein | 5 g | 10% |
| Vitamin D | 0.3 mcg | 2% |
| Calcium | 55 mg | 4% |
| Iron | 1.8 mg | 10% |
| Potassium | 310 mg | 7% |