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- In a separate bowl, whisk together flour, baking powder, and salt.
- Gradually stir the dry mix into the wet ingredients using a rubber spatula. The batter will be thick that’s perfect.
3: Bake the Bars
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- Preheat your oven to 350°F (175°C).
- Spread the batter evenly into a greased or parchment lined 9×13-inch pan.
- Bake for 25-28 minutes or until the top is golden and a toothpick inserted in the center comes out clean.
- Let the bars cool completely in the pan before frosting. This step matters if they’re warm, the frosting will melt!
Make the Peanut Butter Frosting
1: Cream the Base
- In a mixing bowl, beat together peanut butter and softened butter until smooth and fluffy.
2: Add Sugar and Milk
- Gradually mix in the powdered sugar. Add milk a tablespoon at a time to reach your desired creamy consistency.
- Stir in the vanilla extract for that warm, familiar flavor.
3: Frost the Bars
- Use a spatula to generously spread the frosting over the cooled bars.
- Let the frosting set at room temperature for 20-30 minutes before slicing.
Chewy, nostalgic peanut butter bars like the lunch lady used to make
Serving Suggestions
- Cut into squares or rectangles depending on how many guests you’re serving.
- Top with chopped roasted peanuts or mini chocolate chips for a little flair.
- Serve chilled for a firmer bite, or room temperature for soft, gooey nostalgia.
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