Name: Butterscotch Oat Bars
Yield: 4 dozen
Ingredients: 1 1/4 cups all-purpose flour; 1 teaspoon baking soda; 1 teaspoon ground cinnamon; 1 cup butter, softened; 3/4 cup white sugar; 3/4 cup packed brown sugar; 2 eggs; 1 teaspoon vanilla extract; 3 cups quick cooking oats; 2 cups butterscotch chips

Why it works: Cinnamon and vanilla match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 5,287 recipes. Both carry 4-methoxybenzaldehyde, which smells sweet, anise. The science ↓

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.

Cinnamon + vanillatop 1% of all pairs

Smell alikestrong

Cooked together5,287 recipes

Shared aroma: 4-methoxybenzaldehyde (sweet, anise).
Vanilla + oatstop 5% of all pairs

Smell alikemoderate

Cooked together1,532 recipes

Shared aroma: alpha-pinene (pine, turpentine).
Cinnamon + oatstop 6% of all pairs

Smell alikemoderate

Cooked together1,394 recipes

Shared aroma: alpha-pinene (pine, turpentine).
Sugar + vanillatop 8% of all pairs

Smell alikelow

Cooked together35,032 recipes

Shared aroma: beta-damascenone (apple, rose).
Flour + cinnamontop 9% of all pairs

Smell alikemoderate

Cooked together17,341 recipes

Shared aroma: isobutyraldehyde (malty, green).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 recipes: they work on texture and structure more than aroma.

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

Ingredient	Portion assumed	kcal
Flour	1 cup (125g) all-purpose	455
Oat	1/2 cup dry (40g)	154
Butter	1 tbsp (14g)	102
Egg	1 large egg (50g)	78
Sugar	1 tbsp (12.5g) granulated	49
Vanilla	1 tsp extract (4ml)	12
Cinnamon	1 tsp ground (2.6g)	6

Butterscotch Oat Bars