Chocolate Peanut Butter Cookie Bars
User Reviews
5
Chocolate Peanut Butter Cookie Bars
Description
The recipe starts by creaming butter and sugars with eggs and vanilla, then adding peanut butter and dry ingredients including oats and flour to form a thick cookie dough. The dough is pressed into a baking pan and baked until set but still soft, yielding a chewy texture with the nuttiness of peanut butter and the heartiness of oats.
After cooling slightly, a whipped peanut butter layer is spread evenly on the cookie base, adding extra richness and creaminess. The topping is a chocolate frosting made by melting butter and mixing with cocoa powder, milk, and powdered sugar to create a smooth, chocolaty finish that contrasts nicely with the peanut butter layers.
Once fully cooled and set, the bars are cut into squares and can be refrigerated to maintain their shape. The bars combine dense chewiness, creamy topping, and a hint of chocolate bitterness for a balanced treat.
Ingredients
Peanut Butter Cookie Bars:
- 3/4 cup butter (1 1/2 sticks)
- 3/4 cup brown sugar
- 3/4 cup sugar
- 2 large egg
- 1 1/2 teaspoon vanilla
- 1 1/2 cups peanut butter (divided)
- 1 1/2 cups quick oats
- 1 1/2 cups flour
- 1/2 teaspoon baking soda
- 1 teaspoon salt
Chocolate Frosting:
- 1/2 cup butter
- 4 Tablespoons cocoa powder unsweetened
- 3 1/4 cups powdered sugar
- 1/4 cup milk or heavy cream
Instructions
- Preheat oven to 350 degrees. In a large mixing bowl, cream butter, brown sugar, sugar, eggs, vanilla and 3/4 cup of peanut butter until light and fluffy -- about 4 minutes. Reserve remaining 3/4 cup of peanut butter.
- Stir in oats, flour, baking soda, and salt. Spread into a 9 x 13 pan. Bake for 12-15 minutes. Cool for 10 minutes.
- In a mixing bowl, whip remaining 3/4 cup of peanut butter until light and fluffy and spread all over cookie layer.
Chocolate Frosting:
- Melt butter in medium saucepan over medium-low heat. Add the cocoa and milk and whisk together, stirring constantly. Heat just until boiling. Remove from heat and gradually add powdered sugar, whisking well after each addition. Gently spread the chocolate frosting over the peanut butter layer. Cool completely and cut into bars. May refrigerate.