less than 30 mins 30 mins to 1 hour If you want to make these puddings in advance, they freeze beautifully, and after defrosting should be re-heated as below. Equipment and preparation: You will also need eight 175ml/6fl oz pudding basins, well buttered, and a solid baking sheet. less than 30 mins 30 mins to 1 hour Pre-heat the oven to 180C/350F/Gas 4. First of all, place the pieces of stem ginger in a food processor and turn the motor on for about 7-10 seconds.