The BEST Homemade Soft & Chewy Peanut Butter Cookie Recipe
I’ll be honest — I almost didn’t share this one. It’s been my quiet little kitchen trick for longer than I can remember, and part of me wanted to keep it that way. But these cookies are too good to stay a secret.
Here’s the thing: the softest, chewiest peanut butter cookies you’ll ever taste don’t come from a complicated recipe. They come from four ingredients you can grab at any grocery store in under five minutes. The game-changer? A box of yellow cake mix. It sounds almost too simple, and that’s exactly the point.
The result is a cookie with crisp edges, a pillowy center, and that deep, roasted peanut flavor that makes it impossible to stop at one.
Table of Contents
What You’ll Need
If these ingredients aren’t already in your kitchen, make a quick trip to the store and stock up. And while you’re shopping, be sure to grab a bottle of wine to go with it. 🍷
- 1 box yellow cake mix
- 1 cup creamy peanut butter
- 2 large eggs
- ½ cup vegetable oil
How To Make The Best Soft Peanut Butter Cookies
Heat your oven to 350°F and line a baking sheet with parchment paper. That’s the hardest part — I promise.
Dump everything into a large mixing bowl (skip the eggshells and the cardboard, obviously) and stir until the dough comes together into a thick, glossy mixture. It’ll smell incredible already.
Roll the dough into about 15 uniform balls and space them out on your prepared sheet. Flatten each one with a fork, dragging it across in one direction, then again at a 90° angle to get that classic crosshatch pattern peanut butter cookies are known for.
Slide the tray into the oven and bake for 10–12 minutes. You’re looking for set edges with centers that still look just slightly underdone — they’ll firm up as they cool, giving you that perfect chewy center.
Let them rest on the pan for 5 minutes before moving them, then transfer to a wire rack. Serve with cold milk or your beverage of choice — no judgment here.
Storage Tips
Store cooled cookies in an airtight container at room temperature for up to 5 days. For longer storage, freeze in a zip-top bag for up to 2 months — just thaw at room temperature for 20–30 minutes before eating.
Cake Mix Peanut Butter Cookies
Ingredients
- 1 box Yellow cake mix
- 1 cup Creamy peanut butter
- 2 large Eggs
- ½ cup Vegetable oil
Instructions
- 1. Set your oven to 350°F (175°C) and prepare a large baking sheet by lining it with parchment paper.2. In a mixing bowl, whisk together the peanut butter, eggs, and oil until the mixture is smooth and fully blended.3. Gradually stir in the dry cake mix, mixing until a thick, soft dough forms.4. Divide the dough into approximately 15 equal portions and roll each one into a ball. Arrange them evenly on the prepared baking sheet.5. Using the tines of a fork, gently press down on each dough ball in two directions to create a classic crisscross pattern.6. Bake for 10–15 minutes, or until the cookies are lightly golden around the edges. Let them cool slightly before serving.
Notes
- Peanut butter tip: Stick with regular creamy peanut butter (like Jif or Skippy) rather than natural peanut butter — the oil separation in natural PB can affect the texture.
- Don’t overbake: These cookies are meant to be soft. Pull them when the edges are just set and the center still looks a touch glossy.
- Storage: Keep in an airtight container at room temperature for up to 5 days.
- Freezer-friendly: Freeze baked cookies for up to 2 months. Thaw at room temperature for 20–30 minutes before serving.
- Mix-ins: Try folding in chocolate chips, chopped Reese’s Pieces, or a sprinkle of flaky sea salt on top before baking for a fun twist.
- Calories: 210 kcal
- Total Fat: 12g
- Saturated Fat: 2g
- Trans Fat: 0g
- Unsaturated Fat: 9g
- Cholesterol: 25mg
- Sodium: 220mg
- Total Carbohydrates: 22g
- Dietary Fiber: 1g
- Total Sugars: 13g
- Protein: 4g
- Calcium: 45mg
- Iron: 1mg
- Potassium: 95mg
- Vitamin D: 0mcg
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