Combine syrup and butter in saucepan.
Place over high heat, bring to a boil, and boil hard 1/2 minute.
Remove from heat.
Sift flour and salt together.
Add to hot syrup all at once, blending thoroughly.
Drop from teaspoon, about 3 inches apart, onto greased baking sheets Bake in moderate oven (350°F.) for 8 to 9 minutes.
Remove from oven and allow to cool about 1 minute.
Then remove each wafer.
If desired, quickly roll up in tube shape.
Place on rack to cool.
If wafers harden before they can be rolled, return to oven for a few seconds.
Store in airtight container.
Serve plain or filled with Fruited Whip Topping or Coffee Whipped Cream