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Crumb Topping for Pies

"A simple crumb topping or streusel that can be used on top of pies, muffins or even coffee cakes."

By allrecipes · From Open Recipes · 3 ingredients
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Crumb Topping for Pies

Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and 124,287 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Crumb Topping for Pies

2 cups

Ingredients

Directions

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

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 aroma chemistry they share, and how many recipes mention both.

  1. Flour + buttertop 12% of all pairs
    Aroma overlaplow
    Mentioned together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Sugar + flourtop 15% of all pairs
    Aroma overlapmoderate
    Mentioned together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Sugar + buttertop 17% of all pairs
    Aroma overlapmoderate
    Mentioned together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

Flour and butter share little aroma chemistry, yet 124,287 recipes mention both: they likely work on texture and structure more than aroma.

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