Instructions: Combine sugar, Karo, butter, and cream of tartar in saucepan and cook to the hard ball stage. Remove from burner and stir in soda; stir well. Pour over popped corn. With buttered hands, form into popcorn balls.

Makes 20 to 30 balls.

**Before pouring syrup mixture over popcorn, it should be stirred until it has cooled slightly and can be handled easily.

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