Equipment
* optional
Ingredients
pan preparation
- 15 g unsalted butter, melted
- 10 g all-purpose flour
dry ingredients
- 300 g all-purpose flour
- 30 g cornstarch
- 10 g baking powder
- 4 g fine sea salt
- 5 g ground ginger
- 3 g ground cinnamon
- 1½ g ground allspice
- 1 g ground nutmeg
wet batter ingredients
- 170 g unsalted butter, softened to room temperature
- 250 g granulated sugar
- 4 egg, room temperature
- 25 g fresh ginger root, unpeeled purchase weight
- 45 g crystallized ginger, finely minced
- 10 ml pure vanilla extract
- 80 ml dark spiced rum
- 120 ml whole milk, room temperature
ginger rum syrup
- 80 g unsalted butter
- 40 ml water
- 120 g granulated sugar
- 2 g ground ginger
- 80 ml dark spiced rum
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 457 kcal
- Protein
- 5 g
- Carbohydrates
- 56 g
- Fat
- 20 g
- Fiber
- 1 g
- Sodium
- 252 mg
- Saturated Fat
- 12 g
- Potassium
- 89 mg
- Calcium
- 86 mg
- Iron
- 1.8 mg
- Magnesium
- 12 mg
- Phosphorus
- 96 mg
- Zinc
- 0.5 mg
- Vitamin A
- 180 mcg
- Vitamin C
- 0 mg
- Water
- 42 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Position an oven rack in the center of the oven and preheat to 165°C (325°F).
Brush melted butter thoroughly into every groove of the 12-cup Bundt pan using a pastry brush, then dust evenly with flour, tapping out all excess.
Combine all-purpose flour, cornstarch, baking powder, fine sea salt, ground ginger, cinnamon, allspice, and nutmeg in a mixing bowl and whisk until uniform.
Place softened butter and granulated sugar into the bowl of a stand mixer fitted with the paddle attachment and cream on medium-high speed for 4 to 5 minutes until pale and aerated.
Add eggs one at a time on medium speed, beating for 30 seconds after each addition until fully emulsified, scraping the bowl down with a silicone spatula between additions.
Stir together whole milk, 80 ml dark spiced rum, grated fresh ginger, and vanilla extract in a separate liquid measuring cup or small bowl.
Add one-third of the dry ingredient mixture to the creamed butter, mix on low speed until barely incorporated, pour in half the milk-rum liquid, and repeat, finishing with the dry ingredients and folding in the minced crystallized ginger by hand.
Transfer batter into the prepared Bundt pan using a silicone spatula, smoothing the top into an even ring and gently tapping the pan twice on the counter to release trapped air pockets.
Bake at 165°C (325°F) for 50 to 55 minutes until the cake springs back lightly to the touch, an inserted wooden skewer emerges clean, and the internal core registers 98°C (208°F) on an instant-read thermometer.
While the cake bakes, place butter, water, granulated sugar, and ground ginger into a small saucepan and bring to a gentle boil over medium heat, simmering for 3 minutes while stirring until sugar is completely dissolved.
Remove the saucepan from the heat source and stir in the remaining 80 ml of dark spiced rum thoroughly.
Remove the baked cake from the oven and immediately pierce the exposed cake base 40 to 50 times using a wooden skewer, penetrating three-quarters deep into the crumb without touching the pan bottom.
Brush one-third of the warm ginger-rum syrup slowly over the exposed bottom of the cake using a pastry brush, allowing the liquid to sink deeply into the puncture channels.
Let the cake rest undisturbed inside the pan on a wire cooling rack for 15 minutes to absorb the initial syrup and settle structurally.
Place a wire cooling rack over a rimmed baking sheet, invert the Bundt pan onto the rack, and gently lift the pan away to unmold the cake.
Brush the remaining warm ginger-rum syrup gradually over the crown, ridges, and interior funnel of the cake over 10 minutes until all liquid is absorbed.
Allow the cake to cool completely on the wire rack for at least 50 minutes before slicing and serving.
Chef's Notes
- Using three distinct forms of ginger provides multi-dimensional heat: fresh ginger provides sharp, zesty top notes; ground ginger lends warm, earthy depth; and crystallized ginger delivers concentrated, chewy bursts throughout the crumb.
- Cornstarch is deliberately paired with all-purpose flour to replicate pastry flour protein levels, yielding an exceptionally delicate crumb capable of soaking up significant syrup without collapsing.
- For the most complex flavor, bake this cake 24 hours before serving. Tightly wrapping the cooled cake in parchment and foil allows the spiced rum, ginger oils, and butter to mature and harmonize overnight.
- Choose a rich, molasses-forward dark spiced rum or aged navy rum rather than light rum to stand up to the boldness of ginger, nutmeg, and allspice.
Storage
Refrigerator: 7 days — Store in an airtight container or cake dome. Bring to room temperature before serving for optimal crumb tenderness.
Freezer: 2 months — Freeze unglazed slices or fully soaked cake wrapped tightly in parchment and double layers of aluminum foil. Thaw overnight in the refrigerator.
Reheating: Warm individual slices in a 150°C (300°F) oven for 5 to 8 minutes or microwave in 10-second intervals until barely lukewarm.
Troubleshooting
Cake sticks and tears when inverting from the Bundt pan
Cause: Inadequate greasing of intricate pan flutes or inverting before the cake has set sufficiently
Fix: Gently tap the sides of the pan with a wooden spoon or place a warm damp tea towel over the base of the inverted pan for 2 minutes to release steam; patch any detached crumb before glazing
Prevention: Coat every crevice thoroughly with softened butter and flour, and adhere strictly to the 15-minute post-bake rest before inverting
Cake crumb turns soggy and mushy at the base rather than uniformly moist
Cause: Dumping warm syrup all at once instead of applying in deliberate stages with a pastry brush
Fix: Cannot be fixed once waterlogged; serve slices with lightly sweetened whipped cream to balance excess surface moisture
Prevention: Apply warm syrup gradually in thin coats, giving each layer 2 to 3 minutes to disperse through capillary action
Cake batter curdles and looks broken when adding eggs
Cause: Eggs or milk were too cold, chilling the creamed butterfat below its melting point and breaking the emulsion
Fix: Whisk in 15 to 20 grams of the pre-measured dry flour mixture between egg additions to bind free moisture and restore the emulsion
Prevention: Ensure eggs and dairy are brought to 20°C (68°F) room temperature before beginning
Cultural Context
Rum cakes have enduring culinary roots across the Caribbean basin, originating from British colonists adapting steamed holiday plum puddings with local sugar cane spirits and native spices. Over generations, the dessert transformed into a lighter, baked sponge thoroughly soaked in spiced rum and butter to preserve freshness in warm climates. Incorporating fresh and crystallized ginger honors the historical spice trade routes that defined West Indian bakery traditions.
