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Chocolate Chip Peanut Butter Blondies

"A great blondie recipe using tub margarine and no brown sugar."

By allrecipes · From Open Recipes · 8 ingredients
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Why it works: Peanut and chocolate match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 1,279 recipes mention both. Both carry 2-ethyl-3,6-dimethylpyrazine, which smells roasted, nutty. The science ↓

The recipe

20 bars
Prep6 min
Cook12 min

Ingredients

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

Directions

Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.

  1. Preheat the oven to 350°F (175°C). Grease a 9x13-inch (23x33 cm) baking pan.

  2. Melt the margarine in a saucepan over low heat, then stir in the chunky peanut butter until smooth. Let it cool for a few minutes.

  3. Whisk the white sugar into the warm peanut butter mixture, then beat in the eggs one at a time and the vanilla extract.

  4. Stir the all-purpose flour and baking powder together in a bowl, then fold them into the batter until just combined.

  5. Fold in the semisweet chocolate chips, reserving a small handful to sprinkle on top if you like.

  6. Spread the batter evenly in the prepared pan and smooth the top.

  7. Bake for 22 to 26 minutes, until the top is set and a toothpick inserted in the center comes out with moist crumbs.

  8. Cool completely in the pan on a rack, then cut into 20 bars.

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. Peanut + chocolatetop 2% of all pairs
    Aroma overlapstrong
    Mentioned together1,279 recipes

    Shared aroma: 2-ethyl-3,6-dimethylpyrazine (roasted, nutty).

  2. Vanilla + chocolatetop 2% of all pairs
    Aroma overlapmoderate
    Mentioned together10,018 recipes

    Shared aroma: sotolon (curry, maple).

  3. Sugar + vanillatop 3% of all pairs
    Aroma overlaplow
    Mentioned together35,031 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Sugar + chocolatetop 6% of all pairs
    Aroma overlapmoderate
    Mentioned together15,399 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Butter + flourtop 6% of all pairs
    Aroma overlaplow
    Mentioned together122,858 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Sugar and vanilla share little aroma chemistry, yet 35,031 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