Why It Works
- Using milk instead of butter gives these cookies more lactose, which develops a toasty, toffee-like flavor as it cooks.
- A blend of cocoa powder and dark chocolate amps up the flavor.
- Peanut butter gives the cookies a creamy consistency and a salty/sweet flavor.
- Combining rolled and instant oats provides a good balance of thickness and chew.
When I was growing up in Kentucky, no-bake cookies were a summer staple—a simple combination of sugar, butter, milk, and cocoa, boiled on the stove and then mixed with peanut butter and rolled oats. Dolloped into bite-size portions, the "dough" sets up all on its own, no oven required. The result is a chewy little oatmeal cookie that's salty/sweet and rich, with a flavor not unlike that of a Reese's cup.
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No-Bake Cookies Is a Type of Fudge
As simple as they sound, problems are all too common. Sometimes no-bake cookies set up as they should, but often they're a sticky mess. Sometimes they turn out crumbly and dry; on other occasions, they're creamy and soft. Most everyone chalks it up to the mystery of baking, or the weather.
Except it's not a mystery, nor is it the weather. When you get down to it, no-bake cookies are simply a type of fudge, which happens to be a wonderfully predictable beast. When fudge's final cooking temperature is too low, its consistency is runny and wet. When its final cooking temperature is too high, its texture is sandy and dry. But right in the middle, when it's cooked just so, fudge can be as soft and chewy as a chocolate cookie.
:max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__serious_eats__seriouseats.com__images__2017__07__20170627-no-bake-cookies-vicky-wasik-16-81a2ee12a93e4058920cecffba243c1a.jpg "No-Bake Cookies With Chocolate, Peanut Butter, and Chewy Oats Recipe (2)")
Unfortunately, a lot of folks are intimidated by the very idea of making fudge, and no-bake cookie recipes go to extreme lengths to avoid revealing the fact that the process is exactly that. So, instead of calling for a thermometer, recipes often try to quantify the process in terms of cooking time. Given the wide range of variables that can influence the timing of a recipe, such vagueness makes success a total crapshoot. That seems completely bonkers to me, when adigital thermometeris dead easy to use and can guarantee consistent results every time.
How to Make No-Bake Cookies
Aside from setting the cooking temperature to 230°F (110°C), my recipe differs from classic no-bake cookies in a few key ways. First, I omit the butter; the cookies are already ultra rich from peanut butter, so they don't need the added fat. What they need is flavor to round out their fudgy sweetness—which milk can deliver,whether it's skim or whole. Compared with butter, milk is much higher in lactose, a type of sugar that develops a range of tasty toffee notes when boiled above 212°F (100°C).
:max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__serious_eats__seriouseats.com__images__2017__07__20170627-no-bake-cookies-vicky-wasik-15-0d681697b1db41cb8c6a4c08e792bc19.jpg "No-Bake Cookies With Chocolate, Peanut Butter, and Chewy Oats Recipe (3)")
To bump up the overall flavor, my recipe also calls for dark chocolate in addition to cocoa powder. If you're worried that kids won't like the taste of the dark chocolate, don't be; with all the milk and sugar involved, its flavor will be substantially mellowed in the end. As for the cocoa, it's fine to usenaturalorDutch-processed cocoa, but I'm a sucker for the deeper flavor of Dutch. (I like both Cacao Barry Extra Brute and Valrhona.)
Believe it or not, you can make these "cookies" faster than the kind you have to bake—they take only 15 minutes of hands-on time. Whisk the milk, sugar, cocoa powder, and salt together in a three-quart stainless steel saucier, and cook over medium heat until it's thick, foamy, and exactly 230°F. You don't need to whisk constantly, but you do want to keep the mixture moving to prevent the milk solids from scorching along the bottom.
Add the melted chocolate and peanut butter off the heat, along with a splash of vanilla, and whisk until smooth. Next, stir in the oats with a flexible, heat-resistant spatula.
:max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__serious_eats__seriouseats.com__images__2017__07__20170627-no-bake-cookies-vicky-wasik-collage3-fbbf94712aca4300942a437af4a4e574.jpg "No-Bake Cookies With Chocolate, Peanut Butter, and Chewy Oats Recipe (4)")
No-bake cookies are great with either instant or old-fashioned oats, and each can be used to specific effect. With 100% instant oats, the cookies will be thicker and a little less chewy, as the small, precooked oat particles dissolve into the fudge. With 100% rolled oats, the cookies will have a heartier texture that's big on chew. My inner perfectionist loves mixing the two for the best of both worlds, but realistically, the cookies are great either way, and it may take some experimentation to figure out your own preferences.
With a pair of spoons, drop the fudge into cookie-sized portions on a parchment-lined baking sheet. (A cookie scoop makes them look more like clods of dirt.) Remember, freshly made fudge will be hotter than it looks, so resist the urge to lick the spoon or dig in too soon. Let the cookies cool until they're firm, which can take anywhere from 15 to 25 minutes. The oats will soften as they absorb moisture from the fudge, changing the texture and consistency of the cookies, so don't rush the process.
:max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__serious_eats__seriouseats.com__images__2017__07__20170627-no-bake-cookies-vicky-wasik-14-a78bd5e273bd4d76938410f818f092a6.jpg "No-Bake Cookies With Chocolate, Peanut Butter, and Chewy Oats Recipe (5)")
Once they've firmed up, transfer the cookies to an airtight container. They can be stored at room temperature for a week or two, but will last a little longer in the fridge. While lots of people swear by the taste and texture of no-bake cookies straight from the fridge (akin to my preference for frozen Thin Mints, perhaps), refrigeration is likely a failsafe way to help super-gooey cookies hold their shape when no-thermometer recipes produce inconsistent results.
It's A-OK if you prefer to serve them cold, but with a good recipe and a digital thermometer, you don't have to worry that these chewy, chocolaty, peanut butter–y cookies will turn to mush if they're left out. Although they are inclined to disappear...
July 2017
Recipe Details
No-Bake Cookies With Chocolate, Peanut Butter, and Chewy Oats Recipe
Serves15 cookies
Ingredients
7 ounces plain orlightly toastedsugar (about 1 cup; 200g)
6 ounces milk (about 3/4 cup; 170g); any percentage will do
1/2 ounce Dutched cocoa powder (about 2 tablespoons; 15g), such as Cacao Barry Extra Brute
1/4 teaspoon (1g) Diamond Crystal kosher salt; for table salt, use about half as much by volume or use the same weight
1 ounce dark chocolate, about 72% (about 2 tablespoons; 30g), melted
4 ounces creamy peanut butter (shy 1/2 cup; 110g); commercial styles work best
1 teaspoon vanilla extract
2 ounces instant oatmeal (shy 2/3 cup; 55g); see notes
1 ounce old-fashioned rolled oats (heaping 1/4 cup); see notes
Directions
Whisk sugar, milk, cocoa, and salt together in a 3-quart stainless steel saucier. Bring to a boil over medium heat (this should take about 5 minutes), then clip-on a digital thermometer and continue cooking until mixture is bubbly, thick, and exactly 230°F (110°C), about 6 minutes longer. For best results, avoid handheld thermometers, which may not perform well due to unsteady placement during long-term projects such as candy.
Off heat, whisk in melted chocolate, peanut butter, and vanilla extract. Using a flexible, heat-resistant spatula, fold in both types of oats. Stir just until mixture begins to thicken, then drop onto a parchment-lined half sheet pan, using a pair of metal spoons. Cool until cookies are firm and dry to the touch, about 25 minutes, and transfer to an airtight container. Store about 2 weeks at room temperature or up to 1 month in the fridge.
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:max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__serious_eats__seriouseats.com__images__2017__07__20170627-no-bake-cookies-vicky-wasik-collage4-0203eb05a59e492890806902d176c217.jpg "No-Bake Cookies With Chocolate, Peanut Butter, and Chewy Oats Recipe (8)")
Special Equipment
3-quart stainless steel saucier, whisk, clip-on digital thermometer, heat-safe flexible spatula, half sheet pan
Notes
I love these cookies best with a blend of instant and old-fashioned oats, but it's fine to use just one or the other. Instant oats will produce a more hom*ogeneous, cookie-like texture, while rolled oats will give them a heartier chew. You'll still be using a total of 3 ounces (85g) either way, but the volume will differ. For instant oats, use about 3/4 cup; for old-fashioned rolled oats (not thick-cut), use about 1 cup.
Read More
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