Soft Peanut Butter Bars
If you love a classic peanut butter dessert, these Soft Frosted Peanut Butter Bars are about to become a new favorite. They bake up soft and tender with plenty of peanut butter flavor, then are finished with a smooth, creamy frosting that’s impossible to resist. They’re simple to make, feed a crowd, and taste even better the next day.
Why You’ll Love These Peanut Butter Bars
- Thick, soft bars with a tender, chewy texture
- Made with simple pantry staples
- Perfect for bake sales, family gatherings, and potlucks
- Easy sheet pan recipe that serves a crowd
Soft Frosted Peanut Butter Bars
These soft frosted peanut butter bars are rich, chewy and topped with a thick layer of creamy peanut butter frosting. Made in a sheet pan, they're easy to prepare for parties, potlucks, bake sales, or whenever you're craving an old-fashioned peanut butter dessert.
Ingredients
Method
- Preheat the oven to 350℉ and prepare a sheet pan (18×13) with parchment paper
- Cream butter and peanut butter together
- Add sugars and mix well
- Add eggs one at a time, mixing after each addition
- Add vanilla and mix
- Spread flour, baking soda, and salt evenly over wet ingredients and mix until just combined. Do not overmix
- Spread batter evenly in sheet pan making sure to reach all four corners. Tap the pan on the counter a few times to level the batter
- Bake for 22-27 minutes or until the center is just set and the edges are lightly golden. Avoid overbaking for the softest bars
- Cool completely in pan before frosting
- Peanut Butter Frosting
- Beat the peanut butter and softened butter together until smooth and creamy
- Add vanilla and a pinch of salt
- Add powdered sugar, then gradually beat in the milk, 1 tablespoon at a time, until the frosting is smooth and easily spreadable
- Spread frosting evenly over cooled bars
- For the cleanest slices, refrigerate the bars for 20-30 minutes before cutting into squares
Notes
If frosting becomes too difficult to spread, add an additional tablespoon of milk until it reaches a smooth, creamy consistency.
Ingredients
See recipe card below for full ingredient list.
Tips for Best Bars
- Don’t overbake
- Use room-temperature ingredients
- Line your pan with parchment paper for easy removal
- Add milk gradually to frosting
Save This Recipe for Later
Pin this recipe so you always have it when you need a quick, crowd-pleasing dessert.
