No-Bake Cookies · Chocolate Peanut Butter Oat

Chocolate Peanut Butter No-Bake Cookies

Fudgy chocolate, peanut butter and oats cooked together on the stovetop and dropped onto parchment to set. No oven, ready in about 40 minutes, and nostalgic in every bite.

New, no ratings yet0 reviewsby Simmerbee Kitchen

Prep
10 min
Cook
8 min
Total
48 min
Serves
about 24 cookies
Level
Easy

Ingredients

  • ½ cup unsalted butter ≈ 113 g
    Swaps for unsalted butter

    Instead of butter

    • Salted butter: The same amount, with about ¼ tsp less salt per stick (½ cup) elsewhere in the recipe. Nothing noticeable once you cut the salt.
    • Plant-based butter sticks: The same amount. The closest swap.
    • Refined coconut oil: The same amount: solid when the butter is soft or cold, melted when it is melted. It is all fat, so bakes are a bit more tender and rich, with no butter flavor.

    All 4 swaps for butter

    Cooking for an allergy? Check every label.

  • 2 cups granulated sugar ≈ 400 g
    Swaps for granulated sugar

    Instead of sugar

    • Less sugar: Up to ¼ less in cookies, muffins and quick breads. Less browning and spread, a drier, more cake-like texture, and bakes go stale sooner.
    • Brown sugar: The same amount, packed. Moister and chewier, with a caramel flavor and darker color.
    • Coconut sugar: The same amount. Darker and caramel-like, a little less sweet; cookies spread slightly less.

    All 4 swaps for sugar

  • ½ cup whole milk
    Swaps for whole milk

    Instead of milk

    • Unsweetened soy milk: The same amount. The closest plant milk for baking: its protein helps things brown and set.
    • Unsweetened oat milk: The same amount. Creamy and mild with a hint of sweetness.
    • Unsweetened almond milk: The same amount. Thinner and less rich, so cakes are a little paler and drier.

    All 5 swaps for milk

    Cooking for an allergy? Check every label.

  • ¼ cup unsweetened cocoa powder ≈ 22 g
    Swaps for unsweetened cocoa powder

    Instead of cocoa powder

    • Natural and Dutch-process cocoa: The same amount. Swap freely when the recipe uses baking powder.
    • Unsweetened chocolate: 1 oz melted unsweetened chocolate for each 3 tbsp cocoa; cut the butter or oil by 1 tbsp. Fudgier and richer.
    • Carob powder: The same amount. Caffeine-free and naturally sweet, but it tastes like carob, not chocolate.

    More for cocoa powder

  • ½ cup creamy peanut butter ≈ 129 g
    Swaps for creamy peanut butter

    Instead of peanut butter

    • Sunflower seed butter: The same amount. Earthier and a little sweeter.
    • Almond or cashew butter: The same amount. Milder and less salty (add a pinch of salt).
    • Soy nut butter: The same amount. Close in taste and texture; contains soy.

    More for peanut butter

    Cooking for an allergy? Check every label.

  • 1 tsp vanilla extract
    Swaps for vanilla extract

    Instead of vanilla extract

    • Vanilla bean paste: The same amount. Stronger, with visible vanilla seeds.
    • Vanilla bean: The seeds of 1 bean for each 1 tbsp extract. A deeper, floral flavor and visible seeds.
    • Alcohol-free vanilla: The same amount. Made with glycerin; a slightly milder taste.

    All 5 swaps for vanilla extract

  • 1 pinch kosher salt
    Swaps for kosher salt

    Instead of salt

    • Table salt or fine sea salt: About half as much as Diamond Crystal kosher, about ¾ as much as Morton kosher. The same saltiness when measured this way.
    • Salt by weight: 1 tsp is about 6 grams of table salt, 5 grams of Morton kosher, 3 grams of Diamond Crystal kosher. The most reliable way to swap, especially in baking and brines.

    More for salt

  • 3 cups quick-cooking oats, use certified gluten-free oats if needed ≈ 243 g
    Swaps for quick-cooking oats

    Instead of oats

    • Rolled oats: The same amount, pulsed a few times in a blender if you want them finer. Chewier and more textured.

    More for oats

Missing something? Tap Swaps next to an ingredient, or see all substitutions.

Steps

  1. Line two sheet pans or a large stretch of counter with parchment. Measure out the peanut butter, vanilla and oats so they're ready to go; this moves fast.
  2. In a medium saucepan over medium heat, stir the butter, sugar, milk and cocoa until the butter melts and everything is combined.
  3. Bring it to a full rolling
    boil (how to boil) Boil Heat liquid until big bubbles rise and break all over the surface. 1. Use a pot big enough that the water fills it no more than three quarters.2. Cover it to boil faster, over high heat.3. Salt pasta or vegetable water once it boils.4. Add the food, stir, and bring it back to a boil before you start timing. Done when: A rolling boil keeps bubbling hard even when you stir. Safety: Turn pot handles toward the back of the stove, and drain pasta into a colander in the sink, pouring away from you. Steam burns fast: lift lids and foil away from your face, tipping the far edge up first.How to boil water for pasta and vegetables: mistakes to avoid
    , one that keeps bubbling even while you stir. Then start the timer and boil for exactly 1 minute without stirring much.
    ⏱ Boil exactly: 1 min
  4. Take the pan off the heat. Stir in the peanut butter, vanilla and salt until smooth, then stir in the oats until coated.
  5. Working quickly, drop heaping tablespoons onto the parchment. Careful: the mixture is very hot.
  6. Let the cookies cool and set at room temperature until firm.
    ⏱ Set: 30 min

Tap an underlined word for how to do it, or see all techniques.

Tips

  • If the cookies stay sticky, the mixture didn't boil long enough. If they're dry and crumbly, it boiled too long. Humid days can make them softer.
  • Hot sugar mixtures burn badly. Keep small kids at a safe distance during the boil.

Storage

Airtight at room temperature up to 5 days, or refrigerated up to 1 week.

Quick answers

What can I swap?
  • Instead of butter: Salted butter.
  • Instead of sugar: Brown sugar, the same amount, packed.

Answered from this recipe's own storage, make-ahead and swap notes.

Estimated nutrition per serving

Calories
170
Protein
3 g
Carbohydrates
26 g
Fiber
2 g
Sugars
18 g
Fat
8 g
Saturated fat
3 g
Sodium
30 mg

Whole recipe, 24 servings: about 4,190 calories.

Estimate from USDA FoodData Central; not medical or dietary advice. Based on 8 of 8 ingredients.

How we estimate

We add up USDA FoodData Central values for each measured ingredient as written and divide by the recipe's 24 servings, so changing the servings or units here doesn't change a serving. Brands, swaps, trimming and cooking all change the real numbers.

Estimated cost

About $0.20 a serving

About $4.80 for the recipe as written (24 servings).

Estimate; prices vary by store and region. U.S. average prices for September 2026 from BLS Average Price Data and USDA ERS Purchase to Plate prices updated with the BLS Consumer Price Index. Priced: 6 of 8 ingredients, 100% by weight.

How we estimate

Each measured ingredient is weighed as in the nutrition estimate and priced at the U.S. average: BLS's average price where BLS publishes one, else USDA ERS's Purchase to Plate price for 2017-18 raised to September 2026 with the CPI for that food group. Whole packages, store brands, sales and regions all change the real cost: treat it as a ballpark.

  • quick-cooking oats $1.45 ERS
  • unsalted butter $1.00 BLS
  • granulated sugar $0.90 BLS
  • creamy peanut butter $0.85 ERS
  • unsweetened cocoa powder $0.45 ERS
  • whole milk $0.15 BLS

Not priced (no official average price we can match, so not in the total): vanilla extract, kosher salt.

More dishes for less: cheap eats.

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Cleanup score 4/5 (easy cleanup): 2 things to wash, saucepan, sheet pan.

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