Make the fruit pastePrepare a container lined with parchment paper to pour the fruit paste into, or place 1 cm thick strips on a silicone mat. Mix the pectin and 50 g of sugar together. Add the mango and passion fruit purées, previously heated to 50°C. Bring to a boil for 1 minute. Add the remaining 500 g of sugar and bring to a boil again, then stir in the honey and cook to 107°C. Add the lemon juice to stop the cooking. Immediately pour the mixture between the strips and leave to set overnight at room temperature.