Ingredients for - Retro School Cafeteria Peanut Butter Bars

1. White sugar 1 ⅛ cups
2. Brown sugar 1 ⅛ cups
3. Unsalted butter, softened 1 cup
4. Eggs 2 large
5. Peanut butter ¾ cup
6. Vanilla extract 1 teaspoon
7. All-purpose flour 2 cups
8. Rolled oats 1 ⅔ cups
9. Baking soda 1 teaspoon
10. Salt 1 pinch
11. Powdered sugar 2 cups
12. Unsalted butter, softened 4 tablespoons
13. Milk, or more as needed 2 tablespoons
14. Peanut butter 2 tablespoons
15. Vanilla extract 1 teaspoon

How to cook deliciously - Retro School Cafeteria Peanut Butter Bars

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Grease a 15x10-inch baking pan.

2 . Stage

Cream white sugar, brown sugar, butter, and eggs together in a mixing bowl. Mix in peanut butter and vanilla extract. Add flour and blend well. Add oats, baking soda, and salt and mix to combine. Spread into the prepared pan.

3 . Stage

Bake in the preheated oven until golden and the edges start to pull away from the sides of the pan, about 20 minutes. Remove from the oven and let cool or chill in the refrigerator, about 30 minutes.

4 . Stage

While bars cool, blend powdered sugar, butter, milk, and peanut butter together in a bowl, adding more milk to give frosting the desired consistency. Frost cooled bars and cut into 20 pieces.