Irish Lemon Pudding Recipe with a Cake Top and Custard Bottom

Quick answer: Irish lemon pudding is a traditional baked dessert that “magically” forms two layers—a light sponge cake on top and a soft lemon custard underneath. The key is stiff egg whites, gentle folding, and not overbaking.

Traditional Irish Lemon Pudding (A Not-Too-Sweet, Classic Dessert)

Here’s a St. Patrick’s Day dessert that isn’t green or rainbow-colored—and honestly, it’s one of my favorites because it feels like something you’d actually see on a family table. This traditional Irish lemon pudding is bright, cozy, and simple, with that old-fashioned “how did it do that?” effect: the batter separates while baking, creating a light cake layer on top and a custardy lemon layer underneath.

If you’re building a full Irish-inspired meal, it pairs beautifully with our Irish Brown Bread. And if you want a little background on why lemon desserts are so loved in traditional home baking, lemon has been a staple citrus for centuries—here’s a quick overview from Wikipedia’s lemon page (easy, high-trust reference).

What to Expect (Texture + Flavor)

This is not an overly sweet dessert. Think: bright lemon flavor, a light cake top, and a soft custard underneath. It’s delicious with:

• a generous dusting of powdered sugar
• sweetened whipped cream
• fresh berries (if you want a springy twist)

Ingredients + Exact Lemon Measurements

The original recipe calls for just a handful of pantry staples: butter, sugar, eggs, flour, lemons, and milk. To make this consistent every time (and avoid the “tiny lemon vs. huge lemon” problem), use these lemon amounts:

• 1/3 cup freshly squeezed lemon juice
• 1 tablespoon finely grated lemon zest

Tip: Fresh lemon juice makes a real difference here. Bottled lemon juice can taste harsh and can throw off the balance of the custard.

Equipment Options (Pie Plate, Ramekins, Springform)

You can bake Irish lemon pudding in an 8- or 9-inch pie plate or cake pan, but it also works well in:

• Ramekins (great for individual servings)
• Springform pan (prettier presentation and thicker layers)

If you love a crisp base, Mary shared a great idea: add a graham cracker or cookie crust in a springform for a more structured slice. (That combo is especially nice if you’re serving this at a party.)

How to Make Irish Lemon Pudding

This dessert is simple, but it’s technique-sensitive in one specific place: egg whites. Follow these steps and you’ll get the signature two layers.

1. Preheat the oven as directed in the recipe card below. (Ovens vary—see troubleshooting if yours runs hot.)
2. Separate the eggs carefully. Even a little yolk in the whites can prevent them from whipping properly.
3. Make the lemon base (butter, sugar, yolks, flour, milk, lemon juice, and zest) until smooth.
4. Whip egg whites to stiff peaks. When you lift the beaters, the peaks should stand straight up.
5. Fold gently (not stir) the egg whites into the lemon mixture. The batter will still look thin—this is normal.
6. Bake and resist the urge to overbake. The custard needs to stay soft to set into that bottom layer.

How to Know When It’s Done

This is the #1 reason people get disappointed: it’s easy to overbake.

• The top should look set and lightly golden.
• The center should have a slight jiggle when gently shaken.
• A toothpick in the top cake layer should come out mostly clean (the bottom is custard—don’t aim for “dry”).

Troubleshooting: If It Turned Out Dry, Rubbery, or Spongy

If yours came out dry or “cottony,” here’s what likely happened:

1) It was overbaked

This dessert should not bake until fully firm all the way through. Pull it when the center still has a gentle jiggle. Overbaking can eliminate the custard layer and leave a dry sponge texture.

2) Egg whites weren’t whipped to stiff peaks

Stiff peaks create the lift and help the batter separate into layers. If whites are under-whipped, the pudding can turn dense. If you fold too aggressively, you’ll deflate the whites and lose that layered effect.

3) Lemon measurements were off

Use 1/3 cup lemon juice and 1 tablespoon zest for consistent results. Very large lemons can add too much liquid/acid; very small lemons can make the flavor fall flat.

4) Your oven runs hot

If this is a recurring issue, try baking at 325°F and checking 5–10 minutes early. Avoid convection unless you know how your oven behaves.

5) Expectations mismatch

This is a traditional, lightly sweet dessert. If you prefer a sweeter finish, serve it with sweetened whipped cream and a generous dusting of powdered sugar.

Irish Lemon Pudding FAQ

What texture should Irish lemon pudding have?

Two layers: a light cake top with a soft lemon custard underneath. It should be spoonable and tender—not dry.

Do I need a water bath?

Not always, but it can help if your oven tends to bake dry. If you want extra-custardy texture, set your baking dish inside a larger pan with hot water (a simple bain-marie).

Can I bake it in ramekins?

Yes! Ramekins are a great option and usually bake faster. Start checking a bit early compared to a full pie plate.

Can I swap orange for lemon?

Yes. Use the same amounts of fresh orange juice and zest for a milder citrus flavor.

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Irish Lemon Pudding Recipe

This traditional Irish lemon pudding dessert is perfect for Spring and St. Patricks day!

4.47 / 5 ( 13 Reviews )

Print Rate

Prep Time: 12 minutes minutes

Cook Time: 40 minutes minutes

Total Time: 52 minutes minutes

Serves: 4

Adjust Servings: 4

US CustomaryMetric

Equipment

• 9x9 baking pan

Ingredients

• 2 tablespoons unsalted butter room temperature
• ¼ cup granulated sugar
• 2 eggs separated
• ½ cup all-purpose flour
• ⅓ cup fresh lemon juice 2 lemons zested and juiced = 1/4-1/3 cup juice + 2 tablespoons zest
• 1 ¼ cup milk

Instructions

• Preheat oven to 350°F/175°C
• Cream the butter and sugar well. Add the egg yolks one at a time, mixing after each addition. Then add the flour, then lemon zest, and juice. Whisk in the milk and mix well.
• In a separate bowl, beat the egg whites until stiff. Fold gently into the lemon mixture until incorporated. Pour into an 8- or 9-inch pie plate or cake pan, or evenly among four 1-cup ramekins.
• Bake for about 40 minutes, until very lightly browned around the edge and mostly set. You can use a toothpick to see if top cake layer is done, but remember that the bottom should be like custard. Sprinkle with powdered sugar and serve warm with sweetened whipped cream.

Recipe Notes

For thicker layers, double the recipe and use a 9-inch pan or springform.

Nutrition

Calories: 237kcal | Carbohydrates: 29g | Protein: 7g | Fat: 10g | Sodium: 62mg | Fiber: 0.5g | Sugar: 17g

Recipe Source: The Baker Upstairs