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Butternut Squash Frittata

Combining butternut squash, fresh sage and pecorino cheese, this recipe brings the best flavors of autumn to your breakfast table. Crisp bacon slices make the perfect accompaniment.

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Why it works: Butter and romano cheese match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 130 recipes mention both. Both carry gamma-decalactone, which smells peach, creamy. The science ↓

The recipe

Serves 8.

Ingredients

Contains: egg, milk (auto-detected from the ingredients and method; we can miss things, so check labels)

Directions

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

By williamssonoma. Recipe from Open Recipes.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.

  1. Butter + romano cheesetop 5% of all pairs
    Aroma overlapstrong
    Mentioned together130 recipes

    Shared aroma: gamma-decalactone (peach, creamy).

  2. Pepper + sagetop 2% of all pairs
    Aroma overlapstrong
    Mentioned together5,388 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  3. Butternut squash + sagetop 3% of all pairs
    Aroma overlapmoderate
    Mentioned together157 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Butter + creamtop 3% of all pairs
    Aroma overlapstrong
    Mentioned together41,494 recipes

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

  5. Olive + romano cheesetop 5% of all pairs
    Aroma overlapstrong
    Mentioned together260 recipes

    Shared aroma: methyl 2-methylbutyrate (apple, fatty).

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

Flavor stand-ins for the onion

How well each one fits the dish's main ingredients (olive, butternut squash, pepper, butter, sage, egg, cream):

  1. Potatobetter flavor fit
  2. Capsicumbetter flavor fit
  3. Spinachbetter flavor fit
  4. Onionthe original

Fit is the average pairing score against olive, butternut squash, pepper, butter, sage, egg, cream. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).