Boysenberry pie filling (untested)

This recipe is written in pencil in a handwriting I don't recognize. This recipe seems incomplete but is decipherable enough to the experienced baker that it can be followed. No pie crust recipe or baking instructions for the pie are included.  Get the recipe for Never-Fail Pie Crust by clicking here

Ingredients:

• 1 can boysenberries [no exact measurement is given]
• 1/2 sugar [no exact measurement is given but it is probably 1/2 cup]
• 1 teaspoon lemon [probably lemon juice]
• pinch of salt
• 2 eggs
• 3 tablespoons corn starch

Instructions:

1. Boil berries, sugar and salt
2. Mix corn starch with water in a separate bowl
3. Add corn starch mixture to berries and cook until clear