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Do-Si-Dos Cookies

Do-Si-Dos cookies are oatmeal cookies with peanut butter filling. They are a Girl Scout Do-Si-Do copycat recipe! 

Prep Time
20 mins
Cook Time
20 mins
Total Time
30 mins
Servings: 16 cookie sandwiches
Calories: 271 kcal
Course: Dessert
Cuisine: American

Ingredients

Cookies
  • 1/2 cup butter at cool room temperature
  • 3/4 cup brown sugar packed
  • 1/4 cup granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 ¾ cups rolled oats
  • 1 cup all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
Filling
  • 2 tablespoons butter at room temperature
  • 1/2 cup + 2 tablespoons smooth peanut butter
  • 1 cup powdered sugar
  • 1/2 teaspoon vanilla extract
  • 1/8 teaspoon salt
  • 3 tablespoons milk

Instructions

    Cup of Yum
  1. Preheat oven to 350 F. Line two large baking sheets with parchment paper or silicone baking mats; set aside.
  2. In the bowl of a stand mixer fitted with a paddle attachment, beat butter and sugars together until light and creamy.
  3. Beat in the egg until well-combined.
  4. Stir in the vanilla extract until combined.
  5. Add the oats, flour, baking powder, baking soda, and salt to the butter mixture, stirring on low speed until just incorporated.
  6. Drop cookies by tablespoonful onto prepared baking sheets, spacing dough about 2-inches apart.
  7. Bake for 10-15 minutes, or until they’re golden brown.
  8. Allow cookies to cool on the cookie sheet for 5 minutes.
  9. Then transfer to a wire rack to cool completely before filling.
  10. To prepare the filling, beat together butter, peanut butter, and powdered sugar in the bowl of a stand mixer fitted with the paddle attachment.
  11. Stir in vanilla extract.
  12. Add milk, and beat to combine. Filling should be at a spreadable consistency.
  13. Once cookies are cool, turn half cookies flat side up.
  14. Spread those cookies with peanut butter filling.
  15. Top filling with another cookie.

Notes

  • Butter: I use salted butter in this recipe. If using unsalted butter, increase the salt to 1/2 teaspoon in the cookies and add an extra pinch of salt to the filling.
  • Brown sugar: I use light brown sugar. You could also use dark brown sugar if you prefer.
  • Oats: I haven't tried using quick oats in this recipe.
  • Peanut butter: I don't recommend using natural peanut butter in the filling. It's difficult to get the correct consistency when using natural peanut butter.
  • Milk: Skim to whole milk will work. You can also use a nondairy milk like almond milk.
  • Nutrition values are estimates. 

Nutrition Information

Serving 1serving Calories 271kcal (14%) Carbohydrates 36g (12%) Protein 5g (10%) Fat 12g (18%) Saturated Fat 5g (25%) Cholesterol 29mg (10%) Sodium 245mg (10%) Potassium 149mg (4%) Fiber 1g (4%) Sugar 21g (42%) Vitamin A 240IU (5%) Calcium 30mg (3%) Iron 1.1mg (6%)

Nutrition Facts

Serving: 16cookie sandwiches

Amount Per Serving

Calories 271

% Daily Value*

Serving 1serving
Calories 271kcal 14%
Carbohydrates 36g 12%
Protein 5g 10%
Fat 12g 18%
Saturated Fat 5g 25%
Cholesterol 29mg 10%
Sodium 245mg 10%
Potassium 149mg 3%
Fiber 1g 4%
Sugar 21g 42%
Vitamin A 240IU 5%
Calcium 30mg 3%
Iron 1.1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.