Make space in the fridge for the cooked blondies
Preheat oven to 160C (fan)
In a microwave safe bowl, melt butter
Add both sugars & salt to the mixing bowl, stir
Pour in melted butter and mix until smooth
Add egg and beat until smooth
Add flour, mixing until only a few white marks are left
Using a sharp knife, chop the white chocolate into chunks
Pour in the chocolate chunks and stir through
Add the mix into the greased & lined 20x20 tin & smooth
Spoon over chunks of the peanut butter & swirl through
Bake at 160C for 30 minutes
Once cooked, pop in the fridge to set
Slice in 16 squares & ENJOY
