Texas Sheet Cake

Ingredients

• 2 cups (475 ml) sugar
• 2 cups (475 ml) flour
• 1/2 tsp (2 ml) salt
• 1 cup (225 ml) melted butter
• 1 cup (225 ml) boiling water
• 4 Tbsp (60 ml) cocoa
• 2 eggs
• 1/2 cup (125 ml) buttermilk
• 1 tsp (5 ml) vinegar
• 1 tsp (5 ml) soda
• 1/2 cup (125 ml) butter
• 4 Tbsp (60 ml) cocoa
• 6 Tbsp (90 ml) milk
• 1 lb (.5 kg). powdered sugar
• 1 tsp (5 ml) vanilla
• 1/2 cup (125 ml) chopped pecans