Preheat oven to 170 degrees and spray a square or loaf tin with nonstick cooking spray.
In a food processor, add all ingredients except nuts and process until the batter is smooth.
Fold in the chopped nuts and spread batter evenly in the prepared pan.
Bake for 20-25 minutes or until a toothpick comes out clean and the edges are a tiny bit brown.
Cool for 20 minutes in the tin on a wire rack before removing the blondies and allowing to cool completely, then cut into squares. Add a little extra syrup drizzle if you fancy