What makes a good summer layer cake
A summer layer cake should taste fresh rather than heavy. That usually means a tender sponge with lemon or vanilla, a filling of whipped cream or mascarpone instead of a thick buttercream, a layer of jam, and plenty of seasonal fruit. Berries, peaches and plums all work well. The recipe below is a lemon-vanilla two-layer cake, filled with raspberry jam and mascarpone cream and topped with fresh berries. It serves about 8 to 10.
What is the best cake for layering?
Look for a cake that is sturdy enough to hold its shape when stacked but still tender to eat. Butter cakes and oil-based sponges, like the one below, are reliable choices because they slice cleanly and tolerate filling. Very light, airy sponges can work but are more delicate and may squash under heavy fillings. Very dense cakes can feel heavy when stacked. Whichever you pick, bake layers of even thickness and cool them completely before assembling.
Ingredients
Lemon-vanilla cake (two 8-inch / 20 cm layers)
- 250 g (2 cups) plain (all-purpose) flour
- 2 teaspoons baking powder
- 1/2 teaspoon fine salt
- 170 g (3/4 cup) unsalted butter, softened
- 200 g (1 cup) granulated or caster sugar
- 3 large eggs, at room temperature
- Zest of 2 lemons
- 2 teaspoons vanilla extract
- 180 ml (3/4 cup) whole milk, at room temperature
Filling and topping
- 240 ml (1 cup) cold double (heavy) cream
- 115 g (1/2 cup) mascarpone, cold
- 40 g (1/3 cup) icing (powdered) sugar, sifted
- 1 teaspoon vanilla extract
- 3 to 4 tablespoons raspberry jam
- About 300 g (2 cups) mixed fresh berries, such as raspberries, strawberries and blueberries
Method
Bake the layers
- Heat the oven to 175 C (350 F), or 155 C fan. Grease two 8-inch (20 cm) round tins and line the bases with parchment.
- Whisk the flour, baking powder and salt together.
- Beat the butter, sugar and lemon zest for 3 to 4 minutes, until pale and fluffy. Beat in the eggs one at a time, then the vanilla.
- Add the flour mixture in three parts, alternating with the milk, and mix until just combined.
- Divide between the tins and level the tops. Bake for about 22 to 27 minutes, until golden and a skewer comes out clean.
- Cool in the tins for 10 minutes, turn out and let the layers cool completely. For easier layering, you can wrap and chill them for an hour.
Make the mascarpone cream
Whip the cold cream, mascarpone, icing sugar and vanilla together in a chilled bowl until it holds soft to medium peaks. Stop as soon as it is thick enough to spread. Overwhipped cream turns grainy.
Assemble
- Place the first layer on a plate. If the top is domed, trim it flat.
- Spread with half the jam, then about a third of the cream. Scatter a handful of berries on top.
- Add the second layer, upside down so the flat bottom becomes the top.
- Cover the top with the rest of the cream, and pile on the berries. Leave the sides lightly covered or naked for a rustic look.
- Chill for at least an hour before serving so the layers set and slice neatly.
Keeping it cool in hot weather
Which cake is best for hot weather? One that does not depend on a butter-heavy frosting. Butter-based frostings soften quickly in heat, while a cream and mascarpone topping stays firmer when chilled, but still needs the fridge. A few habits help:
- Keep the finished cake refrigerated until just before serving.
- Mascarpone helps the cream hold its shape better than plain whipped cream, but it will not make the cake heat-proof.
- Avoid leaving cream-topped cakes out for long. As a general food safety guideline, perishable foods should not sit out for more than about two hours, and for about one hour when it is very hot outside.
- Transport the cake in a cool bag with an ice pack, and assemble at the destination if you can, carrying the layers, cream and fruit separately.
Fruit and flavour swaps
- Peaches or nectarines: Slice thinly and sprinkle with a little sugar and lemon juice. For a peach dessert that needs no oven, see our easy no-bake peach dessert.
- Strawberries: Hull and slice, and pat dry to avoid wet cream. Or roast them first, as in baking strawberries in the oven.
- Plum or apricot jam in place of raspberry.
- Lime or orange zest instead of lemon.
- Coconut: Swap some of the milk for coconut milk and top with toasted coconut flakes.
If you prefer a smaller bake for a casual gathering, see our easy raspberry cupcakes, which use a similar berry theme.
Make ahead and storage
The cake layers can be baked a day ahead, wrapped and kept at room temperature, or frozen for longer storage. Whip the cream and assemble on the day of serving for the best texture. Once assembled, store the cake in the refrigerator and plan to eat it within a couple of days, as cream and fresh fruit do not keep well.
Frequently asked questions
Which cake is best for hot weather?
A light, fruit-topped cake with a cream filling that you can keep chilled until serving is a reliable choice. Avoid heavy buttercream, chocolate ganache fillings that soften, or anything that cannot be refrigerated.
What is the “4 day cake rule”?
I could not find a standard definition of this phrase, so I would not rely on it. As a practical guide, cakes finished with cream and fresh fruit are best kept chilled and eaten within a day or two.
What is the most popular summer dessert?
It depends on where you live and who you ask. Berry shortcakes, fruit pavlovas, ice cream cakes and fruit crisps are all common seasonal favourites.
Can I use a different sponge?
Yes. Any sturdy sponge works. If you want a quicker mix, you can adapt the batter using the all-in-one method, though the crumb may be slightly closer.