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No-Bake Peanut Butter Oatmeal Cookies Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.2 from 70 reviews
  • Author: Maria
  • Prep Time: 10 minutes
  • Cook Time: 5 minutes
  • Total Time: 15 minutes
  • Yield: 32-36 cookies
  • Category: Dessert
  • Method: No-Cook
  • Cuisine: American

Description

Delicious no-bake peanut butter oatmeal cookies that come together quickly with simple ingredients. These cookies feature a rich peanut butter flavor combined with quick-cooking oats, topped with a smooth cocoa powder and powdered sugar drizzle. Perfect for an easy, no-oven treat.


Ingredients

Scale

Dry Ingredients

  • 3 cups quick-cooking oats
  • 2 cups granulated sugar
  • 1 1/2 cups powdered sugar
  • 1/4 cup unsweetened cocoa powder

Wet Ingredients

  • 1 stick (1/2 cup) unsalted butter
  • 1/2 cup milk (plus 1-2 tablespoons milk for drizzle)
  • 1 cup peanut butter
  • 2 teaspoons vanilla extract


Instructions

  1. Prepare Work Surface: Line a work surface with parchment paper and place the quick-cooking oats in a large mixing bowl to have them ready for combining.
  2. Melt Butter and Boil Mixture: In a medium saucepan over medium heat, melt the butter. Stir in granulated sugar and 1/2 cup milk, bringing the mixture to a rolling boil. Let it boil for one full minute to ensure proper consistency, then remove from heat.
  3. Mix in Peanut Butter and Vanilla: Immediately stir in peanut butter and vanilla extract into the hot mixture until smooth and completely combined. Pour this warm mixture over the oats and mix well until the oats are fully coated.
  4. Form Cookies: Use a cookie scoop or two tablespoons to drop portions of the cookie dough onto the prepared parchment paper, spacing them evenly to allow setting.
  5. Prepare Drizzle: In a small bowl, whisk together powdered sugar, cocoa powder, and 1 to 2 tablespoons milk until smooth and pourable. Transfer this into a zip-top bag and snip off a corner to create a piping bag, then drizzle the chocolate topping evenly over each cookie.
  6. Set and Store: Allow the cookies to cool completely at room temperature so they set firm. Once set, store them in an airtight container to keep fresh for up to a week.

Notes

  • Be sure to boil the sugar mixture for a full minute to ensure the cookies set properly.
  • You can adjust the amount of milk in the drizzle to your desired consistency.
  • Use a cookie scoop for uniform cookie sizes and easier handling.
  • These cookies do not require baking, making them quick and easy to prepare.
  • Store cookies in an airtight container at room temperature; do not refrigerate as they may harden.