Mom'S Brownies
["4 sq. Baker's unsweetened chocolate", "1 c. butter or margarine (1/2 lb.; 2 sticks)", "1 c. flour", "4 eggs, beaten", "2 c. sugar", "1 tsp. vanilla", "pinch of salt", "nuts (optional)"]
["Melt chocolate and butter. Remove from heat to cool. Add sugar. Mix well. When cool, add flour and beaten eggs. Mix well. Add salt and vanilla. Mix. Put in 9 x 9-inch pan. Bake at 350\u00b0 for 25 to 30 minutes. Let cool before cutting. Enjoy!"]
["chocolate", "butter", "flour", "eggs", "sugar", "vanilla", "salt", "nuts"]