Put the pears into a pan and cover with 600ml water.
Bring to the boil and simmer for 5 minutes to soften the fruit.
Turn off the heat and leave for 10 minutes.
Pour the pears and juice into a blender and whiz together until the mixture is completely smooth.
Pour the pear juice through a sieve into a jug.
Squeeze the oranges and mix the orange juice with the runny honey and pear juice.
Pour into a bottle or carton and chill for 30 minutes.
Shake to serve.