Name: O'Brian's Potato Casserole
Prep time: 15 min
Cook time: 45 min
Yield: 8 servings
Ingredients: 1 (2 pound) package frozen hash brown potatoes, thawed; 1/2 cup melted butter; 1 (10.75 ounce) can condensed cream of chicken soup; 12 ounces shredded American cheese; 1 (8 ounce) container sour cream; 1 teaspoon salt; 1/2 onion, chopped; 2 cups crushed cornflakes cereal; 1/2 cup melted butter

Why it works: Potato and onion 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 ↓

O'Brian's Potato Casserole

8 servings

Prep15 min

Cook45 min

Ingredients

1 (2 pound) package frozen hash brown potatoes, thawed
1/2 cup melted butter
1 (10.75 ounce) can condensed cream of chicken soup
12 ounces shredded American cheese
1 (8 ounce) container sour cream
1 teaspoon salt
1/2 onion, chopped
2 cups crushed cornflakes cereal
1/2 cup melted butter

Directions

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

Nutrition, whole recipe (rough)

736Calories

61 gProtein

31 gFat

54 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

Ingredient	Portion assumed	kcal
Chicken	100g cooked	165
Potato	1 medium (173g) baked	161
Cheese	1 oz (28g) cheddar	113
Butter	1 tbsp (14g)	102
Yogurt	170g plain Greek	100
Cream	1 tbsp (15ml) heavy	51
Onion	1 medium (110g)	44
Salt	1 tsp (6g)	0
Soup	not in our table	0

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.

Potato + oniontop 3% of all pairs

Smell alikemoderate

Cooked together9,023 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Potato + chickentop 7% of all pairs

Smell alikemoderate

Cooked together2,756 recipes

Shared aroma: (z)-4-decenal (green, must).
Butter + creamtop 8% of all pairs

Smell alikemoderate

Cooked together41,516 recipes

Shared aroma: delta-dodecalactone (sweet, creamy).
Chicken + oniontop 8% of all pairs

Smell alikemoderate

Cooked together17,814 recipes

Shared aroma: gamma-nonanolactone (coconut, sweet).
Butter + cheesetop 8% of all pairs

Smell alikemoderate

Cooked together7,962 recipes

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

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

Like knowing why a recipe works?

The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.

Prefer an account? Create a free account to save pairings and unlock the full chemistry.