Preheat oven to 375 degrees F.
Place pie crust into a pie plate.
Add sliced pears to a large bowl.
In a small bowl, combine brown sugar, cornstarch, cinnamon and salt, stir to combine. Pour over pears and toss to coat.
Pour into pie crust and sprinkle pecans over pear mixture.
In a medium bowl combine oats, corn flakes, brown sugar and cinnamon. Add softened butter and mix butter into oat mixture until crumbly. Sprinkle over pears.
Bake for 45-55 minutes.
Serve with a drizzle of caramel.