Caramel Sauce

This recipe is from Jane Payne

2 cups light cream
2 cups sugar
1 cup light corn syrup
1/2 tsp salt
1/2 butter (no substitutions)
1 Tbsp vanilla

Cook: cream, sugar, corn syrup in a heavy sauce pan until boiling. Cook and stir over medium heat for 5 minutes then add butter and salt. Turn heat to low and boil gently, stirring often until temperature on candy thermometer reads 228 degrees. Remove from heat. cool slightly and add vanilla. cool until warm and put in jar. Store in refrigerator.