Soft Peanut Butter Oatmeal Cookies Recipe
Introduction
Soft Peanut Butter Oatmeal Cookies combine the rich flavor of peanut butter with the wholesome texture of oats for a delightful treat. These cookies are chewy, packed with peanut butter chips, and topped with colorful Reese’s Pieces for a fun twist.

Ingredients
- 2 cups all-purpose flour
- 2 teaspoons baking soda
- ½ teaspoon salt
- 1 cup unsalted butter (softened)
- 1 cup peanut butter
- 1 cup sugar
- ⅔ cup brown sugar
- 2 eggs
- ½ teaspoon vanilla
- ½ cup rolled oats
- 1 cup peanut butter chips
- Reese’s Pieces (mini, as needed for topping)
Instructions
- Step 1: In a bowl, combine the flour, baking soda, and salt then set aside.
- Step 2: In the mixer bowl, cream together the softened butter, peanut butter, sugar, and brown sugar until smooth and creamy.
- Step 3: Add the vanilla and eggs one at a time, mixing well after each addition. Gradually incorporate the dry ingredients, then slowly fold in the oats and peanut butter chips.
- Step 4: Chill the dough in the refrigerator for about 15 minutes to make it easier to handle.
- Step 5: Preheat your oven to 350°F (175°C).
- Step 6: Using a large cookie scoop (about 3 tablespoons), drop dough onto a plate of mini Reese’s Pieces. Press the dough ball gently into the candies to form a thick cookie disc. Fit about 6 cookies on a baking sheet.
- Step 7: Bake the cookies for 10 minutes, then remove and let cool slightly before transferring.
Tips & Variations
- For extra chewiness, substitute half of the all-purpose flour with whole wheat flour.
- If you prefer chunky texture, add chopped peanuts to the batter.
- Substitute Reese’s Pieces with chocolate chips or M&M’s for a different look and flavor.
Storage
Store the cookies in an airtight container at room temperature for up to 5 days. To keep them soft, place a slice of bread in the container. Reheat gently in the microwave for 10-15 seconds to warm before serving.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use natural peanut butter instead of regular peanut butter?
Yes, natural peanut butter works well, but the texture might be slightly different since it is less creamy. Make sure it is well mixed before using.
Do I need to chill the dough before baking?
Chilling the dough helps it firm up, making it easier to shape and preventing the cookies from spreading too much while baking. Fifteen minutes is sufficient for this recipe.
PrintSoft Peanut Butter Oatmeal Cookies Recipe
These Soft Peanut Butter Oatmeal Cookies combine the rich creaminess of peanut butter with the hearty texture of oats and the delightful crunch of Reese’s Pieces. Perfectly soft and chewy, these cookies are a treat for peanut butter lovers and make a fantastic homemade snack or dessert.
- Prep Time: 20 minutes
- Cook Time: 10 minutes
- Total Time: 30 minutes
- Yield: 18 cookies 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
Dry Ingredients
- 2 cups all-purpose flour
- 2 teaspoons baking soda
- ½ teaspoon salt
- ½ cup rolled oats
Wet Ingredients
- 1 cup unsalted butter, softened
- 1 cup peanut butter
- 1 cup sugar
- 2/3 cup brown sugar
- 2 eggs
- ½ teaspoon vanilla extract
Add-ins
- 1 cup peanut butter chips
- Mini Reese’s Pieces (amount as needed for topping)
Instructions
- Prepare Dry Ingredients: In a medium bowl, combine the all-purpose flour, baking soda, and salt. Set this mixture aside to be incorporated later in the recipe.
- Cream Butter and Sugars: Using a mixer, cream together the softened unsalted butter, peanut butter, sugar, and brown sugar until the mixture is smooth and creamy, which helps create the cookie’s soft texture.
- Add Eggs and Vanilla: Add the vanilla extract and eggs one at a time, mixing thoroughly after each addition to ensure the batter is smooth and well combined.
- Combine Dry Ingredients and Add-ins: Gradually incorporate the dry flour mixture into the wet ingredients, mixing just until combined. Then slowly fold in the rolled oats and peanut butter chips for texture and added flavor.
- Chill Dough: Place the cookie dough in the refrigerator for about 15 minutes to chill. This step helps the dough firm up, making it easier to handle and helps maintain cookie shape during baking.
- Preheat Oven: Preheat your oven to 350°F (175°C) to prepare for baking the cookies.
- Shape Cookies: Use a large cookie scoop (about 3 tablespoons) to drop dough onto a plate of mini Reese’s Pieces. Press the dough ball slightly to form thick cookie discs, allowing some Reese’s Pieces to stick to the bottom, adding a colorful, peanut butter candy topping.
- Bake Cookies: Arrange about 6 cookies on each baking sheet and bake in the preheated oven for approximately 10 minutes, or until the edges are set but the centers remain soft.
- Cool and Serve: Let the cookies cool on the baking sheet for a few minutes before transferring to a wire rack to cool completely. This helps the cookies set without breaking apart.
Notes
- Chilling the dough is crucial for easy handling and better cookie shape.
- You can substitute mini Reese’s Pieces with chopped peanut butter cups for a richer chocolate flavor.
- For a crunchier cookie, bake an additional 1-2 minutes but be careful not to overbake to maintain softness.
- Store cookies in an airtight container at room temperature for up to 5 days.
- Double the recipe to make a larger batch and freeze unbaked dough balls for future baking.
Keywords: soft peanut butter cookies, oatmeal cookies, peanut butter oatmeal cookies, homemade cookies, Reese’s Pieces cookies, chewy peanut butter cookies

