Why it works: Chocolate and rhubarb work together. They rank in the top 15% of all ingredient pairs, and 29 recipes mention both. Both carry acetic acid, which smells sour, vinegar. The science ↓
The recipe
1 9x13-inch cakeIngredients
Contains: egg (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Heat the oven to 350°F (175°C). Grease a 9x13-inch baking pan lightly with a little of the vegetable oil.
In a large bowl, toss the chopped rhubarb with the white sugar and let it stand for 10 minutes so the rhubarb softens slightly.
In a separate large bowl, beat the chocolate cake mix, 1 cup water, 1/3 cup vegetable oil and the 3 eggs on medium speed for 2 minutes until smooth.
Stir the cherry Jell-O mix into the batter until evenly combined.
Fold the sugared rhubarb and any juices into the batter, then spread it evenly in the prepared pan.
Bake for 50 to 60 minutes, until a toothpick inserted in the center comes out clean and the top springs back when lightly pressed.
Cool the cake in the pan on a wire rack for 15 minutes, then serve warm or let it cool completely before cutting.
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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Chocolate + rhubarbtop 15% of all pairsAroma overlapmoderateMentioned together29 recipes
Shared aroma: acetic acid (sour, vinegar).
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Chocolate + cherrytop 5% of all pairsAroma overlapmoderateMentioned together575 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
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Chocolate + sugartop 6% of all pairsAroma overlapmoderateMentioned together15,399 recipes
Shared aroma: guaiacol (smoky, sweet).
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Rhubarb + cherrytop 7% of all pairsAroma overlapstrongMentioned together37 recipes
Shared aroma: acetic acid (sour, vinegar).
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Egg + sugartop 10% of all pairsAroma overlapstrongMentioned together122,252 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the cherry
How well each one fits the dish's main ingredients (chocolate, egg, rhubarb, sugar):
- Vanillabetter flavor fit
- Strawberryabout as good a flavor fit
- Raspberryabout as good a flavor fit
- Cherrythe original
Fit is the average pairing score against chocolate, egg, rhubarb, sugar. 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).
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