STRAWBERRY JAM   

2 quarts strawberries
7 cups sugar
1 pkg Sure-Jell Pectin

Wash and stem berries.
Crush them , small amounts at a time.

Measure out 5 cups of the crushed berries 
and place in a large pot.

Place sugar in a separate bowl.

To berries in pot, add pectin 
and 1/2 tsp butter.

Bring mixture to a full rolling boil
over high heat, 
stirring constantly.

Add sugar to fruit. 

Bring to full rolling boil, 
stirring constantly,

Continue to boil for 2 full minutes
while stirring.

Remove from heat and fill hot, 
sterile jars to within 1/4 inch HEAD-SPACE.