Mix condensed milk, vanilla and 3 cups sugar in sauce pan. Bring to a boil. In another sauce pan, place 3 tablespoons sugar and cook until light brown. Combine both mixtures. Cook until a small amount placed in cold water holds together. Add nuts and butter. When butter is melted, put in 9 x 9 inch square pan. Cool and cut into squares.
Cajun Country -- New Iberia, Louisiana