Jam and Coconut School Cake Recipe

By:

Camille Hayes

Published:

February 19, 2026

Why You’ll Love This Coconut Jam Cake

Picture a slice of Coconut Jam Cake that takes you back to school lunchbox treats, but with a creamy coconut jam twist that feels fresh and exciting. This jam and coconut school cake recipe delivers a soft sponge base topped with homemade coconut jam and a crunchy coconut layer. Busy parents and baking enthusiasts find it perfect for quick family desserts or afternoon snacks. Kids love the sweet jam center, while adults appreciate the balanced flavors.

Simple ingredients turn into a crowd-pleasing coconut traybake everyone craves.

Ease of preparation: Whip up this easy coconut jam traybake with basic pantry staples and straightforward steps. Preheat, mix, bake, and assemble in about 1.5 hours total. No fancy equipment needed, just a mixing bowl and tray, making it ideal for students or working professionals short on time.
Health benefits: Coconut brings medium-chain triglycerides for steady energy and potential metabolism support. Check out these coconut benefits from experts. Natural sweetness from pandan-infused jam cuts added sugars, offering around 350 calories per slice with fiber from coconut flakes.
Versatility: Adapt this traditional school cake jam coconut style for various needs. Serve as a jam sponge cake for tea or cut into squares for parties. Travelers and newlyweds enjoy its portable nature, and seniors find the soft texture gentle.
Distinctive flavor: The custardy coconut jam, or kaya, blends caramel notes with intense coconut aroma. Paired with fluffy sponge and toasted topping, it stands out from plain cakes, creating memorable moments around the table.
This simple jam coconut sponge cake fits any gathering. Bake it to inspire joy in your kitchen.

Ready to bake? Gather your ingredients next.

Jump To

1. Why You’ll Love This Coconut Jam Cake
2. Essential Ingredients for Coconut Jam Cake
3. How to Prepare the Perfect Coconut Jam Cake: Step-by-Step Guide
4. Dietary Substitutions to Customize Your Coconut Jam Cake
5. Mastering Coconut Jam Cake: Advanced Tips and Variations
6. How to Store Coconut Jam Cake: Best Practices
7. FAQs: Frequently Asked Questions About Coconut Jam Cake
8. Coconut Jam Cake

Essential Ingredients for Coconut Jam Cake

Every element in this coconut jam school cake recipe plays a key role. Below, find precise quantities for 12-16 servings in a 9×13-inch tray.

Main Ingredients:

225g unsalted butter, softened – Creates a rich, moist crumb that holds the jam layer well.
225g caster sugar – Provides gentle sweetness and helps achieve a light texture.
4 large eggs – Adds structure and lift for the perfect sponge height.
225g self-raising flour – Ensures even rising without extra leaveners.
1 tsp vanilla extract – Infuses subtle warmth to complement the coconut.
2-3 tbsp milk – Adjusts batter consistency for a tender bake.
400ml coconut milk – Base for the creamy coconut jam filling.
150g sugar – Sweetens the jam naturally with pandan balance.
4 pandan leaves, tied in knots – Delivers authentic aromatic flavor to the kaya.
4 egg yolks – Thickens the jam into a smooth custard-like spread.
125g unsalted butter, softened – For the coconut icing topping, adds creaminess.
250g icing sugar, sifted – Sweetens the topping smoothly without graininess.
125g desiccated coconut – Provides crunch and extra coconut essence.
Extra desiccated coconut, toasted – For garnish, about 50g, enhances texture.

Special Dietary Options:

Vegan: Swap butter for vegan block butter or coconut oil; use aquafaba (from 1 can chickpeas) for eggs; make jam with cornflour slurry instead of yolks.
Gluten-free: Replace self-raising flour with a 1:1 gluten-free blend plus 1 tsp baking powder and 1/2 tsp xanthan gum.
Low-calorie: Use light butter or Greek yogurt in batter; reduce sugar to 100g in cake and jam; opt for stevia-sweetened coconut jam.

How to Prepare the Perfect Coconut Jam Cake: Step-by-Step Guide

Prepare the Coconut Jam (Kaya)

First Step: Gather 400ml coconut milk, 150g sugar, 4 pandan leaves tied in knots, and 4 egg yolks. In a saucepan over medium heat, combine coconut milk, sugar, and pandan leaves. Stir until sugar fully dissolves and the mixture simmers gently, about 5 minutes. This builds the base flavor.

Second Step: Temper the egg yolks by whisking in a small ladle of the hot coconut mixture to prevent curdling. Pour the tempered yolks back into the pan. Reduce heat to low and cook, stirring constantly with a whisk, for 20-30 minutes until it thickens to a custard consistency. Patience here avoids lumps; the jam should coat the back of a spoon.

Third Step: Strain the jam through a fine sieve to remove pandan bits and any cooked egg. Cool completely in a jar. This yields about 2 cups, perfect for the cake. Pro tip: Fresh pandan gives the best aroma; vanilla extract works if unavailable. Refrigerate up to 1 week.

Bake the Sponge Base

Fourth Step: Preheat your oven to 350°F (175°C). Grease and line a 9×13-inch baking tray with parchment. Beat 225g softened butter and 225g caster sugar until pale and fluffy, about 3-4 minutes with an electric mixer. This creaming method traps air for lightness.

Fifth Step: Add 4 beaten eggs one at a time, mixing well after each. Beat in 1 tsp vanilla extract. Sift in 225g self-raising flour and fold gently with a spatula to keep the batter airy. Stir in 2-3 tbsp milk until smooth and dropping consistency.

Sixth Step: Spread batter evenly in the tray. Bake for 25-30 minutes until golden and a toothpick comes out clean. Cool in the tray for 10 minutes, then transfer to a wire rack. The sponge stays moist for days thanks to the butter.

Assemble the Topping and Finish

Seventh Step: Warm 1-1.5 cups cooled coconut jam slightly for easy spreading. Spread evenly over the cooled sponge. For authentic school cake style, use about half, reserving rest for serving.

Eighth Step: Beat 125g softened butter until creamy. Gradually add 250g sifted icing sugar, then mix in 125g desiccated coconut and 2-3 tbsp coconut jam for flavor. Spread this icing over the jam layer smoothly.

Final Step: Toast 50g extra desiccated coconut in a dry pan until golden, 2-3 minutes. Sprinkle on top. Chill for 30 minutes to set, then slice into squares. Total time: 1.5-2 hours. Serve at room temperature for best texture. This coconut topping cake shines at parties.

Troubleshoot: If jam curdles, blend smooth. Overbaked sponge? Brush with milk before topping.

Dietary Substitutions to Customize Your Coconut Jam Cake

Egg and Flour Alternatives

Customize for allergies or preferences. For egg-free, replace 4 eggs with 12 tbsp aquafaba whipped to stiff peaks, mimicking lift. Vegan bakers use flax eggs (1 tbsp ground flax + 3 tbsp water per egg). For nut-free, ensure coconut milk is pure.

Flour swaps keep it gluten-free: 225g gluten-free self-raising blend rises just as well. For low-carb, try 150g almond flour + 75g coconut flour with extra baking powder. These maintain the soft crumb busy parents need.

Jam, Sweetener, and Flavor Modifications

Jam options: Use store-bought coconut jam to save time, or strawberry jam for classic school cake. Reduce sugar in jam to 100g for less sweet profiles. Seasonal twist: Add mango puree to kaya for tropical vibes.

Seasonings: Skip pandan for vanilla or lime zest. Low-sugar: Erythritol in icing works without aftertaste. These changes suit diet-conscious individuals and food enthusiasts experimenting.

Mastering Coconut Jam Cake: Advanced Tips and Variations

Pro cooking techniques: Cream butter and sugar for 5 full minutes at medium speed for maximum volume. Double-sift flour to avoid dense spots. Bake on the middle rack for even heat.
Flavor variations: Infuse sponge with coconut extract. Swirl raspberry jam into coconut jam for contrast. For chocolate lovers, add 50g cocoa to icing.
Presentation tips: Cut neat squares with a hot knife. Dust with icing sugar. Serve on a cake stand with fresh fruit. Pair with [Biscoff Millionaires Traybake](https://smartfamilyrecipes.com/biscoff-millionaires-traybake/) for a dessert spread.
Make-ahead options: Bake sponge 2 days ahead, wrap tightly. Jam lasts 1 week chilled. Assemble day-of or freeze iced cake slices up to 1 month.

Try a layer cake version like our layer cake ideas. These tips elevate your bakes.

How to Store Coconut Jam Cake: Best Practices

Proper storage keeps this coconut jam cake fresh and flavorful.

Refrigeration: Place in an airtight container; lasts 3-5 days. The egg-based jam needs chill to stay safe. Cover loosely if humid to prevent sticky top.
Freezing: Wrap slices individually in plastic then foil; freeze up to 1 month. Thaw overnight in fridge, then room temp. Retains 90% fluffiness.
Reheating: No need, but microwave 10 seconds per slice if desired. Avoid oven to prevent drying.
Meal prep considerations: Bake double batch for weekly treats. Portion for students’ lunches. Always use clean knife to cut, avoiding spoilage.

Storage Method	Duration	Tips
Fridge	3-5 days	Airtight container
Freezer	1 month	Individually wrapped
Room Temp	1 day	Cool, dry place

FAQs: Frequently Asked Questions About Coconut Jam Cake

What is coconut jam cake?

Coconut jam cake is a moist, tropical dessert featuring layers of soft sponge cake filled and topped with creamy coconut jam, also known as kaya. Originating from Southeast Asian cuisines like Singapore and Malaysia, it combines the rich, custardy sweetness of kaya—made from coconut milk, eggs, sugar, and pandan leaves—with fluffy cake. The result is a melt-in-your-mouth treat with intense coconut flavor and subtle caramel notes from the jam. It’s often decorated with toasted coconut flakes for added crunch and visual appeal. Perfect for tea time or parties, one slice delivers about 350 calories, balancing indulgence with natural ingredients. This cake stands out for its non-overly sweet profile compared to Western buttercreams.

How do you make coconut jam for coconut jam cake?

To make homemade coconut jam (kaya), gather 400ml coconut milk, 150g sugar, 4 pandan leaves (tied in knots), and 4 egg yolks. In a saucepan over medium heat, combine coconut milk, sugar, and pandan leaves; stir until sugar dissolves and it simmers (5 minutes). Temper egg yolks with a bit of hot mixture, then whisk into the pan. Cook on low heat, stirring constantly with a whisk to prevent curdling, for 20-30 minutes until thick like custard. Strain, cool, and store in a jar. Yields about 2 cups, enough for one cake. Pro tip: Use fresh pandan for authentic aroma; substitute vanilla extract if unavailable. This jam keeps refrigerated for 1 week.

What is a simple coconut jam cake recipe for beginners?

For an easy coconut jam cake, preheat oven to 350°F (175°C). Whisk 4 eggs and 100g sugar until pale and tripled in volume (ribbon stage, 5-7 minutes). Sift in 100g cake flour and 1/2 tsp baking powder; fold gently. Add 50ml coconut oil and 1 tsp vanilla. Pour into two 8-inch lined pans; bake 20-25 minutes until a toothpick is clean. Cool completely. Whip 200ml heavy cream with 2 tbsp sugar. Layer: cake, 1 cup coconut jam, cream; repeat. Top with jam and toasted coconut. Serves 8-10. Total time: 1 hour. This egg-separated sponge stays soft for days. Adjust jam sweetness to taste for best results.

Can I use store-bought coconut jam in coconut jam cake?

Yes, store-bought coconut jam works perfectly for coconut jam cake if you’re short on time. Brands like those from Asian markets (e.g., Yeo’s or homemade-style jars) mimic the creamy texture of kaya with coconut milk, palm sugar, and pandan. Check labels for no artificial additives to keep it authentic. Use 1-2 cups as filling and topping. It saves 30 minutes of cooking but may be slightly sweeter—balance by reducing added sugar in frosting. Warm gently if too firm for spreading. Homemade tastes fresher, but store-bought holds up well in layers without weeping. Test a small batch first to match your recipe’s consistency. Refrigerate cake after assembly for best sliceability.

How do you store coconut jam cake?

Store coconut jam cake in an airtight container in the fridge to maintain its moisture and prevent the jam from spoiling. It lasts 3-5 days chilled due to the egg-based kaya. For room temperature (up to 1 day in cool climates), cover loosely to avoid sogginess. Freeze slices wrapped in plastic and foil for up to 1 month—thaw overnight in fridge and bring to room temp before serving. Avoid stacking unfrosted layers long-term as jam can make them sticky. Pro tip: Dust with powdered sugar post-thaw to refresh appearance. Always use clean utensils to cut, minimizing contamination. Properly stored, it retains 90% of its fluffiness, making it ideal for make-ahead events.

Jam and Coconut School Cake Recipe

Why You’ll Love This Coconut Jam Cake

Essential Ingredients for Coconut Jam Cake