Melt chocolate squares and butter. Cool.
Beat eggs until thick and lemon?colored. Gradually add sugar, beating thoroughly until batter is smooth and light.
Stir in the melted chocolate and butter mixture. Add vanilla extract. Mix well. Blend in flour and salt. Fold in nuts and Frango mint chocolates.
Pour batter into a greased 8-inch square pan. Bake at 350° F for 20 to 25 minutes, until top is shiny and a crust has formed.
Avoid over-baking brownies should be fudge-like. Cool completely. Cut into squares.Makes 4 Source: