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Soft Onion Sandwich Rolls

"This is it! I've been through many recipes to come up with this one. Great for BBQ beef sandwiches. If you prefer plain rolls, omit onion ingredients."

By allrecipes · From Open Recipes · 13 ingredients
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Soft Onion Sandwich Rolls

Why it works: Onion and potato are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Soft Onion Sandwich Rolls

8 buns
Prep3 hr
Cook20 min

Ingredients

Directions

Step-by-step directions aren't available for this recipe. See the full recipe at the source →

Nutrition, whole recipe (rough)

1038Calories
33 gProtein
26 gFat
167 gCarbs

Counts 8 of 9 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 8 portions
IngredientPortion assumedkcal
Flour1 cup (125g) all-purpose455
Potato1 medium (173g) baked161
Milk1 cup (244ml) whole149
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Sugar1 tbsp (12.5g) granulated49
Onion1 medium (110g)44
Salt1 tsp (6g)0
Waternot in our table0

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

By allrecipes. Recipe from Open Recipes.

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. Onion + potatotop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Milk + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together3,611 recipes

    Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + potatotop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Swap the onion

How well each one fits the dish's main ingredients (milk, butter, sugar, potato, flour, egg):

  1. Chivefits better
  2. Asparagusfits better
  3. Leekfits better
  4. Onionthe original

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