Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
Mamie Jindrich
Ingredients
Directions
Make the peanut butter fudge
Combine two cups sugar, one-half cup milk, two heaping tablespoons peanut butter, and a few drops vanilla.
Boil all together for five minutes.
Take from fire and beat until it thickens.
Pour onto a buttered platter and cut into squares.
Make the chocolate fudge
Combine two cups sugar, pinch salt, one tablespoon molasses in a cup and fill the cup with milk, one teaspoon butter, one-half teaspoon vanilla, and one square unsweetened chocolate.
Stir the above ingredients except butter and vanilla.
Boil until a soft ball will form when dropped into cold water.
Remove from fire, add butter and vanilla, and beat until thick.
Pour into a buttered pan.
Nutrition, whole recipe (rough)
What these numbers assume: 8 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Peanut | 1 oz (28g) | 161 |
| Chocolate | 1 oz (28g) semisweet | 155 |
| Milk | 1 cup (244ml) whole | 149 |
| Butter | 1 tbsp (14g) | 102 |
| Molasses | 1 tbsp (20g) | 58 |
| Sugar | 1 tbsp (12.5g) granulated | 49 |
| Vanilla | 1 tsp extract (4ml) | 12 |
| Salt | 1 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.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures. See the original page.
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.
-
Milk + vanillatop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
-
Vanilla + chocolatetop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
-
Chocolate + peanuttop 6% of all pairsSmell alikemoderateCooked together1,279 recipes
Shared aroma: 2-ethyl-3,6-dimethylpyrazine (roasted, nutty).
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Sugar
- Dissolves and recrystallizes to give the fudge its sweetness and firm body.
- Milk
- Adds moisture and dairy solids that make the fudge creamy rather than brittle.
- Peanut butter
- Contributes peanut flavor and fat that softens the texture of the fudge.
- Unsweetened chocolate
- Supplies deep chocolate flavor, color and fat for a rich fudge.
- Butter
- Adds fat and richness, helping the fudge stay smooth as it sets.
- Molasses
- Adds dark color, moisture and a deeper, slightly bitter sweetness.
The step that matters
Boiling to the soft ball stage. The sugar syrup's concentration sets the final firmness. Stopping too early leaves fudge soft and runny, while boiling too long makes it hard and grainy.
Swap the peanut
How well each one fits the dish's main ingredients (sugar, milk, butter, vanilla, chocolate, molasses):
- Almondfits better
- Cocoafits about as well
- Hazelnutfits about as well
- Peanutthe original
Fit is the average pairing score against sugar, milk, butter, vanilla, chocolate, molasses. 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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