What do you get when you mix peanut butter and chocolate? A foodgasm, that’s what. Todays deliciously naughty Sunday Sweets recipe comes from Smitten Kitchen. Who woulda guessed? Errrm, probably 95% of you foodies woulda guessed. These crunchy, sticky, smooth, decadent bars are totally healthy. I mean, they have PB in them, right? Ok that’s a…