Swizzels Rhubarb & Custard Drumstick Squashies Rhubarb and custard drumstick squashies are a new soft, rhubarb and custard sweet that are made in the UK by Swizzels Matlow. Ingredients Important Information Whilst every effort has been taken to ensure the accuracy of the product information provided, products and their ingredients may change. You are advised to always read the product label for ingredients, nutritional information, dietary claims and allergens.