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Dessert

No-Bake Chocolate Oatmeal Cookies

A no-bake cookie made with cocoa, milk, sugar, butter, peanut butter, vanilla, and oatmeal.

From the Wikibooks Cookbook · 7 ingredients
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

No-Bake Chocolate Oatmeal Cookies

Ingredients

Directions

Make the chocolate base

  1. Combine the sugar and cocoa in a saucepan and stir well.

  2. Add milk and stir well.

  3. Add butter and place over medium-high heat.

  4. Bring mixture to a boil.

  5. When it reaches a rolling boil that cannot be stirred down, boil while stirring for exactly 1 minute.

Finish and shape

  1. Remove from heat and add peanut butter and vanilla.

  2. Stir until peanut butter is melted and mixture is smooth.

  3. Add oatmeal and stir to combine.

  4. Immediately spoon the mixture onto a cookie sheet, leaving enough space between them for spreading out.

  5. Let stand on counter for at least 20 minutes to stiffen or refrigerate to speed up the process.

Nutrition, whole recipe (rough)

782Calories
22 gProtein
45 gFat
74 gCarbs
What these numbers assume: 7 portions
IngredientPortion assumedkcal
Peanut1 oz (28g)161
Chocolate1 oz (28g) semisweet155
Oat1/2 cup dry (40g)154
Milk1 cup (244ml) whole149
Butter1 tbsp (14g)102
Sugar1 tbsp (12.5g) granulated49
Vanilla1 tsp extract (4ml)12

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

Recipe from the Wikibooks Cookbook.

Steps grouped into stages for easier reading; the method is the source's own.

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.

  1. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  4. Cocoa powder + vanillatop 10% of all pairs
    Smell alikemoderate
    Cooked together2,189 recipes

    Shared aroma: sotolon (curry, maple).

  5. Vanilla + peanuttop 10% of all pairs
    Smell alikestrong
    Cooked together1,176 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Sugar
Dissolves into the boiling liquid to form the syrup that sets the cookies.
Butter
Adds fat that gives the cookies a smooth, tender texture as they cool.
Oatmeal
Provides bulk and chewy texture once the cooked mixture stiffens.
Cocoa powder
Supplies the chocolate flavor and color of the cookies.
Peanut butter
Adds fat and nutty flavor while helping the mixture stay smooth.
Milk
Dissolves the sugar and cocoa and forms the liquid base that is boiled.

The step that matters

Boil for exactly 1 minute at a rolling boil. Boiling the sugar mixture for the right time controls how much water evaporates. Too short and the cookies stay soft and runny; too long and they become dry and crumbly as they set.

Swap the peanut

How well each one fits the dish's main ingredients (cocoa powder, milk, sugar, butter, vanilla):

  1. Cocoafits better
  2. Almondfits better
  3. Hazelnutfits better
  4. Peanutthe original

Fit is the average pairing score against cocoa powder, milk, sugar, butter, vanilla. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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