- Melt the butter over medium heat in saucepan. 
- Add brown sugar, corn syrup & salt. 
- Bring to a very low boil, stirring constantly. 
- Let cook over very low heat, stir in oats, vanilla & pears. 
- Remove from heat. 
- Let sit to cool until thickened- about 10 minutes. 
- Pour over shortbread in pan. 
- Transfer to refrigerator & allow to completely cool before cutting- at least 2-3 hours. 
- ( I was way too impatient with these & tried to remove before cool.  It was a sloppy mess)