Strawberry Jam Recipe

"Strawberry season is just starting here in Ontario and I got a lot of strawberries on the weekend. My grandmother used to make strawberry jam and I have had a craving for homemade strawberry jam for a while now. I pretty much just followed the directions in the Certo (pectin crystal) package. It did not work out perfectly as the strawberries floated to the top of the jam. I think the problem was that I did not notice that I was supposed to bring it to a hard boil. A hard boil being a boil that does not stop boiling..."