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1948 Sour Cream Potato Casserole

A baked casserole of sliced potatoes layered with onion, bran, cheese, and a sour cream‑egg mixture.

From the Recipes Wiki (Fandom) · 10 ingredients
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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 ↓

1948 Sour Cream Potato Casserole

Oven350°F
Time20 to 30 minutes

Ingredients

Directions

Cook the onion

  1. Melt the butter and cook onion in it until it is tender.

Layer the casserole

  1. Place half of the potatoes in a buttered casserole dish and sprinkle them with salt and pepper.

  2. Add part of the onion, bran and cheese.

  3. Mix the sour cream, eggs, salt, and pepper.

  4. Pour the mixture over the potatoes.

  5. Repeat, with another layer of potatoes, cheese mixture and sour cream mixture.

Bake

  1. Bake at 350°F for 20 to 30 minutes.

Nutrition, whole recipe (rough)

604Calories
36 gProtein
27 gFat
56 gCarbs
What these numbers assume: 8 portions
IngredientPortion assumedkcal
Potato1 medium (173g) baked161
Cheese1 oz (28g) cheddar113
Butter1 tbsp (14g)102
Yogurt170g plain Greek100
Egg1 large egg (50g)78
Onion1 medium (110g)44
Black Pepper1 tsp ground (2.3g)6
Salt1 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.

Recipe from the Recipes Wiki (Fandom).

Steps grouped into stages for easier reading; the method is the source's own.

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. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

  3. Butter + cheesetop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

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

  4. Potato + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

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

  5. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

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

What each ingredient does

Eggs
Bind the sour cream mixture and help it set into a sliceable custard as it bakes.
Sour cream
Adds moisture, richness and a tangy flavour to the layers.
Potatoes
Form the bulk and structure of the casserole, soaking up the creamy mixture.
American cheese
Melts into the layers, adding richness and savoury flavour.
Onion
Softened in butter, it adds sweetness and savoury aroma.
Bran cereal
Crushed to fine crumbs, it adds a light, crumbly texture to the layers.

The step that matters

Bake until just set. The eggs in the sour cream mixture set as they heat. Baking only until they firm up keeps the custard creamy; overbaking can make it dry and grainy.

Swap the onion

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

  1. Asparagusfits about as well
  2. Chivefits about as well
  3. Spinachfits about as well
  4. Onionthe original

Fit is the average pairing score against butter, potato, pepper, cheese, cream, egg. 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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