grandma's sheet cake brownies

Ingredients For grandma's sheet cake brownies

• 2 c

  sugar
• 2 c

  flour
• 1/2 tsp

  salt
• 2 stick

  butter
• 1 c

  water
• 4 Tbsp

  cocoa (i used hersheys dark cocoa)
• 1/2 c

  sour cream
• 2

  eggs
• 1 tsp

  baking soda
• FROSTING
• 6 Tbsp

  milk
• 1/2 c

  1 stick butter
• 1 c

  nuts, chopped (i used pecans and left them whole)
• 1 tsp

  vanilla extract
• 3 c

  powdered sugar