Peanut Butter Cookies with Coconut Oil



I’m obsessed….with coconut oil!


  • 3/4 cup creamy peanut butter (use Jif, Skippy, Peter Pan or similar; not natural and not homemade peanut butter)
  • 1/2 cup coconut oil, softened (softened to the consistency of soft butter; not rock hard and not runny or melted, see below)
  • 1 cup light brown sugar, packed
  • 1 large egg
  • 1 tablespoon vanilla extract (yes tablespoon, not teaspoon), or to taste
  • 1 to 1 and 1/4 cups all-purpose flour (see below)
  • 2 teaspoons corn starch
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt, optional and to taste


  • To the bowl of a stand mixer fitted with the paddle attachment, combine peanut butter, coconut oil, egg, sugar and beat on medium-high speed to cream until light and fluffy, 4 to 5 minutes. Note – Coconut oil should be the consistency of soft butter like you’d use to cream with sugar and eggs in traditional cookies. If coconut oil is rock hard, microwave it in a small bowl for 5 to 10 seconds or just until it begins to soften. If coconut oil is runny or melted, place it in the freezer momentarily until it firms up. A tiny amount of runniness is fine; it’s an oil and that happens. But do not use melted or purely liquid coconut oil because you can’t effectively cream a liquid; it would be like trying to cream liquid butter.
  • Stop, scrape down the sides of the bowl, add the vanilla and beat to incorporate, about 1 minute.
  • Add 1 cup flour, corn starch, baking soda, optional salt, and mix until just combined, about 1 minute. If your dough seems quite wet, sloppy, or isn’t combining, add up to another one-quarter cup flour, one tablespoon at a time, for a total of 1 1/4 cups. The dough shouldn’t be sticky or tacky, and a little loose and oily is preferred to dry and crumbly. It should have a Play-Doh like consistency, and if pinched and squished, it’ll stick together and to itself, but not to your hands. Over-flouring the dough will cause the cookies to be prone to cakiness and dryness.
  • Using a medium cookie scoop, form mounds that are 2 heaping tablespoons in size; or divide dough into approximately 18 equal-sized pieces. Place dough mounds on a large plate, and slightly flatten each mound. Get the dough mounds in the exact shape you want to bake them in because after chilling, flattening or re-shaping the dough is difficult. Cover with plasticwrap, and refrigerate for at least 2 hours; up to 5 days. Do not bake these cookies with dough that has not been properly chilled because they will spread.
  • Preheat oven to 350°F, line a baking sheet with a Silpat Non-Stick Baking Mat, parchment, or spray with cooking spray. Place dough on baking sheet, spaced at least 2 inches apart; I bake a maximum of 8 per sheet.
  • Bake for 7 to 9 minutes, or until tops have just set, even if slightly undercooked, pale, and glossy in the center. They firm up as they cool and I recommend the lower end of the baking range. The cookies in the photos were baked with dough that had been chilled for 2 days, left at room temp for 30 minutes to warm up slightly, then baked for 8 minutes, with trays rotated once at the 4-minute mark.
  • Allow cookies to cool on the baking sheet for 5 to 10 minutes before moving. Store cookies in an airtight container at room temperature for up to 1 week, or in the freezer for up to 3 months. Alternatively, unbaked dough can be stored in an airtight container in the refrigerator for up to 5 days, or in the freezer for up to 3 months, so consider baking only as many cookies as desired and save the remaining dough to be baked in the future when desired.


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