2 tbsp. butter
2/3 c. undiluted Carnation evaporated milk
1 2/3 c. sugar
1/2 tsp. salt
2 c. (4 oz.) miniature marshmallows
1 1/2 c. semi-sweet chocolate pieces
1 tsp. vanilla
1/2 c. (or more to taste) chopped nuts

Combine butter, evaporated milk, sugar and salt in saucepan over medium heat, stirring occasionally. Bring to full boil. Cook 4 to 5 minutes, stirring constantly. Remove from heat. Stir in marshmallows, chocolate pieces, vanilla and nuts. Stir vigorously for 1 minute (until marshmallows melt and blend). Pour in 8 inch square buttered pan. Cool, cut in squares or hearts.