Stand mixer or hand mixer
Large mixing bowls
Cookie sheets
Parchment paper
Cookie scoop (recommended)
Wire cooling rack
Piping bag and round tip (or zip-top bag)
the Cookies:
- 1½ cups unsalted butter softened
- 2 cups dark brown sugar packed
- 2 large eggs room temperature
- 1 tablespoon vanilla extract
- 1½ cups all-purpose flour
- 1 teaspoon baking soda
- 1 teaspoon cinnamon
- ½ teaspoon salt
- ¼ teaspoon nutmeg
- 3 cups old-fashioned rolled oats
the Cream Filling:
- 1 cup unsalted butter softened
- 3 cups powdered sugar
- 1 tablespoon vanilla extract
- 2 tablespoons heavy cream
- ¼ teaspoon salt
For the Cookies:
Preheat oven to 350°F. Line baking sheets with parchment paper.
Cream butter and brown sugar until fluffy (3-4 minutes).
Beat in eggs and vanilla.
Mix flour, baking soda, cinnamon, salt, and nutmeg.
Add dry ingredients to wet ingredients.
Stir in oats.
Drop rounded tablespoons of dough 2 inches apart.
Bake 10-12 minutes until edges are golden.
Cool completely on wire rack.
For the Filling:
Beat butter until creamy.
Gradually add powdered sugar.
Mix in vanilla, cream, and salt.
Beat until fluffy (3-4 minutes).
- Use room temperature ingredients
- Don't overbake cookies
- Let cookies cool completely before filling
Calories: 385kcal | Carbohydrates: 45g | Protein: 3g | Fat: 22g | Saturated Fat: 13g | Cholesterol: 65mg | Sodium: 185mg | Potassium: 85mg | Fiber: 1g | Sugar: 32g | Calcium: 25mg | Iron: 1mg