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Jan's Crumb Topping or Streusel

"I add this topping to muffins, pie, and cakes so often I decided to make it in a large amount and freeze. Now I have it ready whenever the mood strikes!"

By allrecipes · From Open Recipes · 5 ingredients
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Jan's Crumb Topping or Streusel

Why it works: Flour and cinnamon are a kitchen classic. They rank in the top 9% of all ingredient pairs, and 17,341 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Jan's Crumb Topping or Streusel

72 servings
Prep10 min

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 + cinnamontop 9% of all pairs
    Aroma overlapmoderate
    Mentioned together17,341 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Sugar + cinnamontop 10% of all pairs
    Aroma overlaplow
    Mentioned together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Butter + flourtop 12% of all pairs
    Aroma overlaplow
    Mentioned together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Butter + cinnamontop 15% of all pairs
    Aroma overlapmoderate
    Mentioned together17,784 recipes

    Shared aroma: anethole (sweet, anise).

Sugar and cinnamon share little aroma chemistry, yet 30,779 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