zucchini brownies

Ingredients For zucchini brownies

• 1/2 c

  vegetable oil
• 1-1/2 c

  white sugar
• 2 tsp

  vanilla extract
• 2 c

  flour
• 1/2 c

  unsweetened cocoa powder
• 1-1/2 tsp

  baking soda
• 1 tsp

  salt
• 2 c

  shredded zucchini, drained
• 1/2 c

  chopped walnuts, optional
• FROSTING
• 6 Tbsp

  unsweetened cocoa powder
• 1/4 c

  butter
• 2 c

  powdered sugar
• 1/4 c

  milk
• 1/2 tsp

  vanilla extract