Somebody'S Mother'S Hot Fudge Sauce
["1 Tbsp. butter", "1 sq. unsweetened chocolate", "1/3 c. boiling water", "1 c. sugar", "2 Tbsp. white corn syrup", "1/2 tsp. vanilla", "1/8 tsp. salt"]
["Melt butter and chocolate together.", "Add boiling water; stir constantly, bring to a boil.", "Add sugar and corn syrup; stir until all is dissolved.", "Simmer for 5 minutes.", "Add vanilla and salt."]
["butter", "unsweetened chocolate", "boiling water", "sugar", "white corn syrup", "vanilla", "salt"]