Merry Berry Jam

Ingredients:

1 lb fresh/frozen strawberries
1/2 lb fresh/frozen blackberries
1/2 lb fresh/frozen pitted cherries
1 1/3 cup sugar (more or less according to taste or sweetness of fruit)
2 tbsp lemon juice.

Directions:

Combine fruit, sugar, and lemon juice in large bowl. Let stand at room temperature 2 hours, stirring occasionally. Transfer fruit mixture to large saucepan and bring to boil over medium-high heat, stirring occasionally. Mash to thick puree with potato masher. Reduce heat to medium and boil gently until mixture begins to thicken, stirring often, about 20 minutes.Test to see if the jam has gelled. If so, turn off heat and wait for jam to cool. Jar as desired. If this is stored in sterilized, sealed jars, it will be good for approximately 6 months in a refrigerator or 1-3 months if not sealed.