Peanut Butter Blondies are chewy, rich, and dangerously easy. Here’s a no-fail, bakery-style recipe with that perfect crackly top and soft center.
🥜 Peanut Butter Blondies
Ingredients
- ½ cup unsalted butter, melted
- ¾ cup brown sugar (packed)
- ½ cup creamy peanut butter
- 1 large egg + 1 egg yolk
- 1 tsp vanilla extract
- 1¼ cups all-purpose flour
- ½ tsp baking powder
- ¼ tsp salt
Optional add-ins (choose your vibe):
- Chocolate chips 🍫
- Peanut butter chips
- Chopped peanuts
- Swirl of jam (PB&J style!)
Instructions
- Preheat oven to 350°F / 175°C. Line an 8×8 pan with parchment.
- Whisk melted butter and brown sugar until glossy.
- Stir in peanut butter, egg, yolk, and vanilla.
- Fold in flour, baking powder, and salt just until combined.
- Spread batter evenly in pan. Add toppings if using.
- Bake 20–25 minutes until edges are set and center is slightly soft.
- Cool completely before slicing (hard part, I know 😅).
⭐ Pro Tips
- Slightly underbake for extra chewy blondies.
- Use natural peanut butter only if it’s well-stirred.
- Sprinkle flaky sea salt on top for 🔥 flavor contrast.
🔥 Variations
- Peanut butter & chocolate swirl
- Gluten-free: use 1:1 GF flour
- Diabetic-friendly: swap brown sugar for monk fruit blend + almond flour
- No-butter: replace with ½ cup oil