BANANA MUESLI MORNING LOAF

175g Benecol* Olive Oil spread, melted, plus extra for greasing, brushing and to serve (optional) • 3 ripe large (or 4 small) bananas • 100ml clear honey, plus extra to drizzle and serve • ½ tsp vanilla bean paste • 3 medium British Blacktail Free Range Eggs • 150g essential Waitrose Fruit Muesli, plus extra for scattering • 100g walnut pieces • 175g self-raising flour • Pinch salt