Clean, wash and drain the gooseberries. Peel and chop the kiwis. Weigh exactly 1 kg of flesh. Put the fruit in a large pot and mix with the jam sugar. Cover and leave to stand for 3 hours. Add lime zest. Wash mint, dab dry and cut into fine strips.
Bring to the boil while stirring and boil for about 4 minutes until bubbly. If necessary, test the jelly. Put some jam on a small plate and let it cool down. When the jam gets firm, finish cooking. Stir in mint. Pour the jam into prepared, clean glasses, close them. Results in approx. 1500 ml jam, approx. 6 glasses of 250 ml each