This recipe was written on a lined index card and found in a large collection. Recipe is typed below as-is along with a scanned copy.
Blueberry Sauce
Mix together
1/2 c. sugar
2 tsp. corn starch
dash of salt
Mix and stir in
1/2 c. water
1 pt. blueberries
Bring to boil and boil till clear (about 4 min.)
1 Tbsp. lemon juice
1 tsp. grated lemon rind.