Wash strawberries cold and drain well. Remove the stalk and halve or quarter the strawberries depending on their size
Peel the kiwis, quarter them lengthwise and cut into pieces. Wash the mint leaves, dab dry and cut into strips
Mix strawberries and kiwis in a large pot with preserving sugar and leave to soak for 3-4 hours
Then bring to the boil while stirring and boil for 4 minutes until bubbly. Remove the pot from the stove and make a gelling test
Stir mint and orange liqueur into the hot jam, immediately fill into clean glasses and close tightly