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Easy Rich Chocolate Cake

"This is a very easy-to-make chocolate cake. Also very rich! It's sure to please."

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Why it works: Chocolate and pecans match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 804 recipes mention both. Both carry 2,3-pentanedione, which smells butter, sweet. The science ↓

The recipe

1 - 9 x 13 inch sheet cake
Prep25 min
Cook30 min

Ingredients

Contains: egg, milk, tree nuts (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. Heat the oven to 350°F (175°C) and grease a 9 x 13 inch pan. Melt the butter and let it cool slightly.

  2. In a large bowl, beat the cake mix, eggs and melted butter. Add a splash of water at a time until the batter is smooth and spreadable.

  3. Stir the chopped pecans into the batter, then spread it evenly in the prepared pan.

  4. Bake for 25 to 30 minutes, until a toothpick inserted in the center comes out clean. Cool in the pan for 10 minutes.

  5. Sprinkle the chocolate chips over the warm cake. Let them soften for 5 minutes, then spread them into a smooth layer.

  6. Beat the softened cream cheese until creamy. Gradually beat in the confectioners' sugar, adding a splash of water if needed, until smooth.

  7. Spread the cream cheese frosting over the cooled cake, then let it cool completely before cutting into squares.

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. Chocolate + pecanstop 3% of all pairs
    Aroma overlapstrong
    Mentioned together804 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

  2. Butter + cream cheesetop 3% of all pairs
    Aroma overlapstrong
    Mentioned together2,746 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  3. Pecans + cream cheesetop 4% of all pairs
    Aroma overlapstrong
    Mentioned together465 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

  4. Butter + pecanstop 4% of all pairs
    Aroma overlapstrong
    Mentioned together2,408 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

  5. Chocolate + sugartop 6% of all pairs
    Aroma overlapmoderate
    Mentioned together15,399 recipes

    Shared aroma: guaiacol (smoky, sweet).

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