There’s something undeniably comforting about a homemade bar cookie (or slice, as our friends down under call it) that layers buttery shortbread, tangy fruit jam, and a golden, chewy coconut topping. That’s exactly what you’ll find in Louise Cake—a delightful treat that’s been winning hearts for generations.
While this recipe hails from New Zealand (with rumored roots tied to British royalty—possibly named for Queen Victoria’s daughter, Princess Louise, back in the late 1800s), it feels right at home in American kitchens. Think of it as a sophisticated cousin to our classic lemon bars, jam thumbprints, or coconut macaroons, but with an irresistible contrast of textures: crisp base, jammy middle, and toasted-coconut meringue on top. 🍪🍓🥥
It’s the kind of bake that fills your house with the most inviting aroma—vanilla, butter, and toasting coconut—and delivers that perfect balance of sweet, tart, and chewy in every bite. Whether you’re craving an afternoon treat with coffee, something special for a bake sale, or a make-ahead dessert for family dinner, Louise Cake checks every box. It’s straightforward enough for beginners yet impressive enough to share proudly.
Why American Home Cooks Love This Recipe
In U.S. households, we adore bar recipes that travel well to potlucks, picnics, or holiday gatherings—no forks required! This one has that nostalgic bakery-case appeal (like something you’d spot in a cozy café), but it’s made with pantry staples. The raspberry jam adds bright fruitiness that cuts through the richness, while the coconut meringue gives a light, almost macaroon-like finish without being overly heavy. It’s popular because it’s versatile, make-ahead friendly, and universally loved—kids go for the sweetness, adults appreciate the refined layers.
Ingredients
Here’s everything you’ll need, with U.S. measurements and notes on why each component matters.
For the Shortbread Base:
- 1/2 cup (1 stick) unsalted butter, room temperature — Provides rich, tender structure and classic buttery flavor that’s the foundation of great American shortbread.
- 1/4 cup granulated sugar — Sweetens lightly without making it candy-like; helps cream with the butter for a crisp yet melt-in-your-mouth texture.
- 3 large egg yolks — Adds richness and helps bind the dough; the yolks contribute to a tender crumb (save the whites for the topping!).
- 1 teaspoon vanilla extract — Brings warm, aromatic depth that makes every bite feel homemade and comforting.
- 2 cups all-purpose flour — The main structure; use a spoon-and-level method to avoid a dense base.
- 1 teaspoon baking powder — Gives just a gentle lift so the base isn’t too flat or hard.
- 1/4 teaspoon salt — Balances sweetness and enhances all the flavors.
For the Filling:
- 1 cup raspberry jam — The star for tart-sweet contrast; use a good-quality jam (seedless if you prefer smoother texture) to keep it from being too runny. Traditional recipes favor raspberry, but it echoes American favorites like PB&J vibes in dessert form.
For the Coconut Meringue Topping:
- 4 large egg whites — Whipped to glossy peaks for lightness and structure; room temperature whites whip higher and faster.
- 1 teaspoon cornstarch — Stabilizes the meringue so it stays crisp on the outside and slightly chewy inside after baking—prevents weeping.
- 1/3 cup granulated sugar — Sweetens and helps create stiff, shiny peaks.
- 1 1/4 cups desiccated coconut (unsweetened shredded coconut works great) — Adds nutty flavor, chew, and beautiful golden toasting; unsweetened keeps the sweetness balanced.
Step-by-Step Instructions
This recipe bakes in a 9×9-inch or 8×8-inch square pan (for thicker bars) or a 9×13-inch for thinner slices—both work beautifully. Total time is about 45-55 minutes baking plus cooling.
- Preheat and prep 🔥: Preheat your oven to 350°F (175°C). Line an 8×8-inch or 9×9-inch baking pan with parchment paper, leaving overhang on the sides for easy removal (a “sling” style). Lightly grease if needed.
- Make the shortbread base 🍪: In a large bowl, cream the butter and sugar together with an electric mixer (or by hand) until light and fluffy, about 2-3 minutes. Beat in the egg yolks and vanilla until smooth. Add the flour, baking powder, and salt. Mix on low speed (or stir) until a soft dough forms—it will be crumbly but hold together when pressed. Press the dough evenly into the prepared pan using your hands or the bottom of a measuring cup. Aim for an even layer about 1/4- to 1/2-inch thick.
- Bake the base: Bake for 12-15 minutes until lightly golden around the edges and set in the center (it’ll firm more as it cools). Remove and let cool slightly while you prep the topping. Don’t overbake—it should stay tender.
- Add the jam layer 🍓: While the base is still warm, spread the raspberry jam evenly over the top, leaving a small border if desired (prevents overflow). Use an offset spatula for smoothness.
- Prepare the coconut meringue 🥚🥥: In a clean, dry bowl, beat the egg whites with an electric mixer on medium-high until soft peaks form (they’ll hold shape but curl at the tip). Gradually add the sugar and cornstarch, beating on high until stiff, glossy peaks form—about 3-5 minutes. The meringue should be thick and hold a peak when the beaters are lifted. Gently fold in the desiccated coconut with a spatula until evenly distributed—don’t deflate the whites.
- Top and bake: Dollop the coconut meringue over the jam and spread gently to the edges. It doesn’t need to be perfect—some peaks and swirls look beautiful! Bake for 20-25 minutes until the meringue is golden brown and crisp on top. Watch closely after 18 minutes; ovens vary.
- Cool and cut: Let cool completely in the pan (at least 1-2 hours) so the layers set. Use the parchment overhang to lift out, then cut into squares or bars with a sharp knife (wipe clean between cuts for neat edges).
Tips, Substitutions, and Variations
- Jam swaps: Strawberry, apricot, blackberry, or even fig jam work wonderfully—choose something tart to balance the sweetness.
- Coconut: Sweetened shredded coconut is fine if that’s what you have; reduce sugar slightly in the meringue if using sweetened.
- Make it gluten-free: Swap in a 1:1 gluten-free flour blend.
- Egg-free? This relies on eggs for structure—it’s tricky to adapt fully.
- Storage: Keeps in an airtight container at room temperature for 3-4 days or refrigerate up to a week (bring to room temp before serving for best texture). Freezes well for 1-2 months.
Serving Suggestions and Pairings
Serve these as an easy dessert or snack. They’re perfect for:
- Family dinners or casual gatherings—cut into bite-sized squares for potlucks.
- Holiday trays (Christmas cookie swaps or Easter brunches) alongside brownies and lemon bars.
- Afternoon coffee or tea time—pair with black coffee, Earl Grey, or a cold glass of milk.
- For a fancier touch, add fresh raspberries on top or a dusting of powdered sugar.
This Louise Cake is proof that the best recipes are often the simplest: honest ingredients, straightforward steps, and results that taste like they came from a cherished family cookbook. It’s homemade baking at its finest—comforting, flavorful, and sure to become a repeat request. Give it a try the next time you want something a little different yet wonderfully familiar. Your kitchen (and everyone who tastes it) will thank you. Enjoy! 🍰