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Passover Citrus Sponge Roll

A light citrus sponge roll with orange filling, suitable for Passover.

From the Recipes Wiki (Fandom) · 12 ingredients
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Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Passover Citrus Sponge Roll

Oven350°F
Time10–15 minutes

Ingredients

Directions

Prepare the batter

  1. Preheat oven to 350°F.

  2. Beat egg whites until stiff, adding half the sugar gradually; set aside.

  3. Beat yolks with remaining sugar until mixture is very light.

  4. Stir lemon juice, rind, potato starch and salt into yolks.

  5. Gently fold in whites, starting with a quarter of the mixture, then adding the rest.

  6. Gently spread batter onto a cookie sheet lined with parchment paper and lightly sprayed with non‑stick vegetable oil spray. Gently smooth the surface.

Bake and roll

  1. Bake for 10–15 minutes or until sponge has risen slightly and is lightly browned.

  2. Remove from oven and turn cake out onto a clean cloth.

  3. Allow to cool.

  4. Spread orange filling evenly over cake and gently roll up using cloth to help lift cake.

  5. Sprinkle with sugar and/or whipped cream, if desired.

Make the orange filling

  1. For orange filling: combine sugar, potato starch, orange juice and lemon juice in a saucepan and bring to a boil.

  2. Boil for 1 minute while stirring constantly.

  3. Remove from heat.

  4. In a separate bowl, beat egg yolks.

  5. Stir a little bit of orange mixture into egg yolks, then add yolks to the saucepan.

  6. Cook gently for 1 minute.

  7. Stir in 2 tablespoons margarine, allow mixture to cool before using.

Nutrition, whole recipe (rough)

464Calories
12 gProtein
17 gFat
69 gCarbs
What these numbers assume: 7 portions
IngredientPortion assumedkcal
Potato1 medium (173g) baked161
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Orange1 medium (131g)62
Sugar1 tbsp (12.5g) granulated49
Lemonjuice of 1 lemon (48ml)12
Salt1 tsp (6g)0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

Recipe from the Recipes Wiki (Fandom).

Steps grouped into stages for easier reading; the method is the source's own.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Lemon + orangetop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Potato + orangetop 11% of all pairs
    Smell alikemoderate
    Cooked together537 recipes

    Shared aroma: beta-damascenone (apple, rose).

  3. Lemon + potatotop 12% of all pairs
    Smell alikemoderate
    Cooked together2,230 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Eggs
Whipped whites give the sponge its airy structure, and yolks add richness and set.
Sugar
Sweetens the sponge and helps stabilise the whipped egg whites.
Potato starch
Lightens the batter and gives the sponge a tender, delicate crumb.
Orange juice
Provides moisture and bright citrus flavour to the filling.
Lemon
Adds acidity and aroma from the juice and zest.
Margarine
Adds fat and smoothness to the cooked filling.

The step that matters

Folding in the whites. Whites hold air only while whipped, so fold gently and in stages to keep the batter light; overmixing deflates it and the sponge will bake flat and dense.

Swap the potato

How well each one fits the dish's main ingredients (egg, sugar, lemon, orange):

  1. Sweet potatofits better
  2. Arrowrootfits better
  3. Asparagusfits better
  4. Potatothe original

Fit is the average pairing score against egg, sugar, lemon, orange. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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