1/2 c. dark syrup (Karo)
1/2 c. brown sugar (packed)
1 tbsp. flour
2 tbsp. butter
2 eggs, beaten
1 tsp. vanilla
1 tsp. vinegar

Mix sugar and flour. Add butter, syrup, eggs, vanilla and vinegar. Pour into unbaked pie shell. Bake at 425 degrees for 10 minutes. Reduce heat to 350 degrees. Bake approximately 10-15 minutes longer until light brown. Pecans may be added before baking if desired.