Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Mary Jordan
35 surprise potato ballsIngredients
Directions
Prepare the filling
Boil the potatoes.
Mash the boiled potatoes with butter and milk, then cool.
Cut the hard-boiled eggs into quarters and sprinkle with salt.
Cover each egg quarter with the cooled potato mixture and shape into balls or egg shape.
Coat and fry
Roll each ball in flour, then in beaten egg seasoned with salt and pepper, and finally in bread crumbs.
Fry the coated balls in hot fat and serve hot.
Nutrition, whole recipe (rough)
What these numbers assume: 6 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Potato | 1 medium (173g) baked | 161 |
| Milk | 1 cup (244ml) whole | 149 |
| Butter | 1 tbsp (14g) | 102 |
| Egg | 1 large egg (50g) | 78 |
| Black Pepper | 1 tsp ground (2.3g) | 6 |
| 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.
-
Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Milk + potatotop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
-
Butter + potatotop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Mashed to form the soft, moist outer shell that encloses each egg quarter.
- Hard-boiled eggs
- Form the firm, filled centre of each ball.
- Butter
- Adds richness and softness to the mashed potato.
- Milk
- Moistens the mashed potato so it becomes smooth and easy to shape.
- Beaten eggs
- Bind the flour and bread crumbs to the potato balls so the coating adheres.
- Bread crumbs (in the method)
- Form a crisp, golden coating when the balls are fried.
The step that matters
Cool the mashed potato before shaping. Warm potato is soft and sticky, so it tears around the egg and resists shaping. Cooling firms the starch so the potato holds its shape and encloses the egg cleanly.
Swap the potato
How well each one fits the dish's main ingredients (butter, milk, egg, pepper):
- Capsicumfits about as well
- Potatothe original
- Asparagusfits about as well
- Chivefits less well
Fit is the average pairing score against butter, milk, egg, pepper. 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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