This recipe makes peanut butter banana and chocolate chip blondies. They include smooth peanut butter, mashed bananas and milk chocolate chips which together create the most amazing flavour.

If you have a leftover banana that is overripe then you can make these peanut butter banana chocolate chip blondies. These blondies are chewy, rich and fudgy with a yummy flavour so they're perfect to enjoy in the afternoon with a cup of tea or as an after-dinner treat.
They are very easy to prepare and the recipe is very adaptable so you can use milk, dark or white chocolate chips. You can also add ingredients such as chopped pecans or walnuts.
Peanut Butter Banana and Chocolate Blondie Bars
For the full list of ingredients and measurements, scroll to the recipe card below.
- Flour - I use plain flour for this recipe.
- Salt - I use sea salt but any salt will do.
- Cornflour - use to give the blondies a chewy texture. Also known as cornstarch.
- Bicarbonate soda - also known as baking soda.
- Butter - use unsalted butter.
- Sugar - I use a combination of light brown sugar and granulated sugar.
- Vanilla - use vanilla extract or vanilla bean paste.
- Eggs - room temperature eggs.
- Banana - use a medium overripe banana.
- Peanut butter - I use smooth peanut butter.
- Chocolate - use dark or milk chocolate chips.

How to Make Peanut Butter Banana and Chocolate Blondie Bars
Preheat the oven: Start by preheating the oven to 180oC and lining a 13 x 9 inch rectangle baking.
Prepare the dry ingredients: Add the plain flour, salt, cornflour and bicarbonate soda to a bowl then whisk and set aside.
Melt the butter: Add the butter to a heatproof bowl and melt in the microwave at 40 second increments. Remove and set aside to cool.
Make the blondie batter: Add the brown sugar and granulated sugar to the melted butter then mix until smooth. Mix in the vanilla extract followed by the eggs, mashed banana and peanut butter. Add in the dry ingredients and combine well then add and mix in the chocolate chips.
Bake: Transfer the batter to the prepared baking tin and bake for 35 - 40 minutes. Once baked, allow to cool completely before cutting.
Recipe Tips
- Once the blondies have baked, ensure they are completely cooled before you attempt to cut them.
Storage
Store these peanut butter banana and chocolate chip blondies at room temperature in an airtight container for up to 5 days.
Nutrition
Nutrition based on 1 serving - Calories: 269kcal | Fat: 14.0g | Saturates: 5.3g | Carbs: 31.0g | Sugar: 20.1g | Fibre: 1.1g | Protein: 4.6g | Salt: 0.2g.

Recipes You May Like
- Blondies with White Chocolate and Pecan Nuts
- Easy Banana Nut Muffins
- The Best Chewy Chocolate Chip Cookies
- Easy Peanut Butter Bars
- Banana Chocolate Chip Muffins (Small Batch of 6)
- Easy Fluffy Banana Pancakes
Peanut Butter Banana and Chocolate Blondie Bars
Ingredients
- 270g plain flour
- ½ teaspoon salt
- 1 teaspoon cornflour
- 1 teaspoon bicarbonate soda
- 170g unsalted butter
- 200g soft light brown sugar
- 120g granulated sugar
- 1 teaspoon vanilla extract
- 2 medium eggs
- 1 medium overripe banana mashed
- 150g smooth peanut butter
- 150g milk chocolate chips
Instructions
- Preheat the oven to gas mark 4/350oF/180oC/160oC and line a rectangle baking tin which measures approximately 13 x 9 inches.
- In a bowl, combine the plain flour, salt, cornflour and bicarbonate soda then set aside.
- To a heatproof bowl, add the butter and melt in the microwave at 40 second increments until fully melted. Remove and set aside to cool.
- To the melted butter, add the brown sugar and granulated sugar then mix until smooth. Mix in the vanilla extract, eggs and mashed banana then the peanut butter. Fold in the dry ingredients and mix in the chocolate chips.
- Pour the batter into the prepared baking tin and bake for 35 - 40 minutes. Once baked, allow to cool completely before cutting.






J.T says
Gorgeous