Peach blondies recipe: juicy summer dessert with fudgy, caramelized bars

Ripe peaches meet a tender, buttery blondie in this easy summer bake. These Peach Blondies combine diced fresh fruit, a scattering of white chocolate chips, and a simple peach glaze for a treat that tastes like sunshine. They come together quickly and travel well, making them ideal for picnics, potlucks, or a lazy weekend dessert.

Why these Peach Blondies stand out this summer

• Fresh peach flavor in every bite from diced fruit folded into the batter.
• Soft, moist bars with a buttery crumb that stay tender after chilling.
• A lightly sweet peach glaze made from real fruit, no artificial coloring needed.
• Simple pantry ingredients plus seasonal peaches make it fast to prepare.
• Portable and easy to slice when chilled, perfect for gatherings.

Ingredients for peach blondies and the glaze

Gather these items before you start. Using ripe but slightly firm peaches for the batter and a very soft peach for the glaze gives the best texture and color.

For the Peach Blondies

• 1 cup all-purpose flour
• 1/4 teaspoon baking powder
• 1/4 teaspoon salt
• 1/2 cup (1 stick) unsalted butter, softened
• 3/4 cup granulated sugar
• 1 teaspoon vanilla extract
• 1 large egg, room temperature
• 2 tablespoons fresh lemon juice
• 1 cup fresh peaches, diced into 1/4-inch pieces and well drained
• 2 teaspoons cornstarch (to toss with the diced peaches)
• 1/3 cup white chocolate chips

For the Peach Glaze

• 1 1/4 cups powdered sugar, sifted
• About 3 tablespoons mashed very ripe peach (roughly half a soft peach)
• 1 teaspoon fresh lemon juice

Preparing peaches for baking: quick tips

• Dice peaches small, about 1/4 inch. Even pieces distribute flavor evenly.
• Lay diced peach on paper towels and blot gently to remove excess juice.
• Toss the drained pieces with cornstarch right before folding them in. This reduces soggy spots.
• If skins are thin, keep them on. Peel only if the texture bothers you.

Step-by-step directions to bake Peach Blondies

1. Preheat oven to 350°F. Line a 9×9-inch pan with parchment, leaving an overhang. Lightly spray parchment.
2. Whisk together flour, baking powder, and salt in a bowl. Set aside.
3. In a mixer or with a hand whisk, cream the softened butter, sugar, and vanilla until smooth, about 1–2 minutes.
4. Add the egg and 2 tablespoons lemon juice. Mix until combined; the mixture may look slightly loose but will firm after flour is added.
5. Fold the dry ingredients into the wet just until combined. Do not overmix.
6. Toss the drained peach pieces with 2 teaspoons cornstarch. Gently fold peaches and white chocolate chips into the batter.
7. Spread the batter evenly into the prepared pan. Bake 35–40 minutes, until edges are light golden and center is set. If the top browns too quickly, tent loosely with foil for the last 5–10 minutes.
8. Cool the blondies completely in the pan before glazing. Use the parchment overhang to lift them out.
9. For the glaze: mash about half a very ripe peach to yield 3 tablespoons puree. Stir in 1 teaspoon lemon juice.
10. Gradually whisk the peach mixture into the sifted powdered sugar until smooth and spreadable. Adjust thickness with more sugar or a touch more peach or lemon.
11. Spread glaze over cooled bars and allow it to set before cutting into 9 squares.

Practical tips for perfect texture and slicing

• Choose peaches that are ripe but still slightly firm for the batter.
• Cut fruit into uniform small pieces to avoid large wet pockets.
• Drain fruit well and coat with cornstarch to limit excess moisture in the batter.
• Don’t overbake. The center should be set but still moist.
• Chill the bars after glazing; cold blondies slice cleaner and hold their shape.

Can you substitute canned peaches or skip the white chocolate?

• Canned peaches work in a pinch. Choose fruit packed in juice, not heavy syrup.
• Drain canned peaches thoroughly and blot with paper towels before tossing with cornstarch.
• White chocolate chips are optional. They add sweetness and texture, but the bars are delicious without them.

Make-ahead ideas and how to store the bars

• These blondies taste even better after chilling, so you can bake them a day ahead.
• After glazing and setting, store in an airtight container in the refrigerator for 4–5 days.
• Serve chilled for tidy slices, or bring to room temperature briefly for a softer bite.

Common questions about Peach Blondies

• Do I need to peel the peaches? Peeling is optional. Leave skins on if they are tender. Peel if skins feel thick.
• Why are my blondies too soft? Excess peach juice can soften the bars. Drain fruit well and coat with cornstarch.
• How to tell when they are done? Edges should be lightly golden and the center set. A toothpick may show moist crumbs from the fruit.
• Do these need refrigeration? Yes. Because of the fresh fruit and glaze, keep the bars refrigerated for food safety and best texture.

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Dr. Elise Monroe

Health advocate and wellness researcher, Dr. Monroe brings clarity to confusing health trends with science-backed advice. Her mission is to help readers live vibrantly, from the inside out.