Stir in the pear and chocolate chunks and mix again. Spread out into a greased and lined 9x9in baking tin. Bake at 180C for 25-30 minutes until firmed up and golden.
Leave for 10 minutes to cool then cut into 9 bars. Mix together the yogurt, cocoa powder, Natvia Sweetener Stevia Synbiotics 250g and a dash of water to loosen then drizzle over the bars. Scatter over chopped hazelnuts - then enjoy!
