Why it works: Butter and cream match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 41,494 recipes mention both. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
The recipe
12 piecesIngredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Make the batter
Cream butter and sugar; add eggs, 1 at a time, beating well after each addition.
Sift dry ingredients together; add gradually to egg mixture, alternating with sour cream, ending with flour mixture.
Stir in vanilla and cardamom.
Fold in 1 cup blueberries.
Layer and bake
Pour ½ of batter into well‑greased and floured 9"x13"x2" pan.
Cover with remaining blueberries.
Sprinkle with brown sugar.
Top with remaining batter.
Bake at 325°F for 45–50 min or until cake tests done.
Cool and serve
Cool in pan 10 minutes.
Remove to rack to finish cooling.
To serve, cut into 12 pieces.
This recipe comes from the Recipes Wiki on Fandom and is licensed CC BY-SA 4.0. Our formatting and summaries are shared under the same licence.
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 aroma chemistry they share, and how many recipes mention both.
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Butter + creamtop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + vanillatop 3% of all pairsAroma overlaplowMentioned together35,031 recipes
Shared aroma: beta-damascenone (apple, rose).
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Vanilla + cardamomtop 5% of all pairsAroma overlapmoderateMentioned together237 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Flour + cardamomtop 5% of all pairsAroma overlapmoderateMentioned together627 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + creamtop 5% of all pairsAroma overlapmoderateMentioned together43,437 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
Sugar and vanilla share little aroma chemistry, yet 35,031 recipes mention both: they likely 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
- Bind the batter and add structure as the cake sets in the oven.
- Sour cream
- Adds moisture and a tangy flavor, keeping the crumb tender.
- All-purpose flour
- Provides the main structure that holds the cake together.
- Butter
- Adds fat for a rich texture and flavor in the crumb.
- Baking soda
- Reacts with the sour cream's acidity to help the cake rise and brown.
- Blueberries
- Add juicy pockets of fruit that release moisture and flavor into the cake.
The step that matters
Alternating flour and sour cream. Adding the dry ingredients gradually and alternating with sour cream keeps the batter smooth and evenly emulsified. Overmixing after the flour goes in can develop gluten and make the cake tough.
Flavor stand-ins for the cardamom
The recipe marks cardamom as optional. How well each one fits the dish's main ingredients (butter, sugar, egg, flour, cream, vanilla):
- Cinnamonbetter flavor fit
- Nutmegbetter flavor fit
- Cardamomthe original
Fit is the average pairing score against butter, sugar, egg, flour, cream, vanilla. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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