If you grew up loving those classic peanut butter bars from the school cafeteria, this recipe will bring back all the nostalgia. Soft, chewy, and topped with a creamy peanut butter frosting, these bars are every bit as delicious as you remember. Perfect for bake sales, potlucks, or simply treating yourself at home!

Recipe Overview

• Yield: About 24 bars

• Prep Time: 20 minutes

• Bake Time: 20 minutes

• Cooling Time: 1 hour

Ingredients

For the Bars

• 2 cups (250 g) all-purpose flour

• 2 cups (400 g) granulated sugar

• 1 teaspoon baking soda

• 1 teaspoon salt

• 1 cup (226 g / 2 sticks) unsalted butter

• 1 cup (270 g) creamy peanut butter

• ½ cup (120 ml) whole milk

• 2 large eggs, lightly beaten

• 1 teaspoon vanilla extract

For the Frosting

• ½ cup (113 g / 1 stick) unsalted butter

• ½ cup (135 g) creamy peanut butter

• 2 tablespoons milk

• 4 cups (480 g) powdered sugar, sifted

Step-by-Step Instructions