1.Transfer all the ingredients except for the ube flavouring in a sauce pan. Mix it well
2.Simmer on a medium heat until it thickens.
3.Transfer in a bowl and add ube flavouring and let it cool down completely.
4.Using a hand mixer, beat the mixture until it thickens.
5.Transfer in a pan or moulder and place in a freezer for 4 hours or overnight.
6.Remove from freezer and ready to serve. Enjoy!