Name: Philadelphia Pepper Pot
Ingredients: Sliced onion │¼ cup each; Chopped celery │; Chopped green peppers│; 4 tablespoons butter; 3½ tablespoons flour; 5 cups hot White Stock III; ½ lb. honeycomb tripe, cut in cubes; 1½ cups potato cubes; ½ teaspoon peppercorns, finely pounded; ¾ tablespoon salt; ½ cup heavy cream

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 ↓

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.

Onion + potatotop 3% of all pairs

Smell alikemoderate

Cooked together9,023 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Celery + peppertop 5% of all pairs

Smell alikestrong

Cooked together16,012 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Celery + potatotop 7% of all pairs

Smell alikemoderate

Cooked together2,047 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Onion + celerytop 7% of all pairs

Smell alikemoderate

Cooked together18,518 recipes

Shared aroma: guaiacol (smoky, sweet).
Butter + creamtop 8% of all pairs

Smell alikemoderate

Cooked together41,516 recipes

Shared aroma: delta-dodecalactone (sweet, creamy).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Flour: Thickens the broth into a smooth, body-rich soup as it cooks with the butter.
Butter: Carries the vegetables' flavor and adds richness to the soup.
Honeycomb tripe: Becomes tender during long, gentle cooking in the stock.
Potato cubes: Release starch as they cook, adding body and thickness to the soup.
Heavy cream: Adds fat for a rich, smooth mouthfeel when stirred in at the end.
White stock iii: Forms the liquid base that carries all the flavors of the soup.

The step that matters

Just before serving, add cream and remaining butter.. Adding cream late avoids prolonged boiling, which can make cream separate and taste flat. Stirring in the butter at the end gives the soup a smooth, rich finish.

Swap the celery

How well each one fits the dish's main ingredients (onion, pepper, butter, flour, potato, cream):

Garlicfits better
Parsleyfits better
Thymefits about as well
Celerythe original

Fit is the average pairing score against onion, pepper, butter, flour, potato, cream. 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.

Ingredient	Portion assumed	kcal
Flour	1 cup (125g) all-purpose	455
Potato	1 medium (173g) baked	161
Butter	1 tbsp (14g)	102
Cream	1 tbsp (15ml) heavy	51
Onion	1 medium (110g)	44
Celery	1 stalk (40g)	6
Pepper	1 tsp ground (2.3g)	6
Salt	1 tsp (6g)	0

Philadelphia Pepper Pot