Brownies Zucchini Coklat Ganda

Bahan-bahan (16 porsi)

• ½ cup canola oil
• 1½ cups gula
• 2 teaspoons ekstrak vanila
• 2 cup all-purpose flour (unbleached)
• ½ cup kakao tanpa pemanis
• 1½ teaspoons soda kue
• 1 teaspoon garam
• 2 cups zucchini (shredded)
• 1 cup keping coklat
• 1/4 cup coklat bubuk
• 2 cups gula bubuk
• 1/4 cup butter (melted)
• 1/4 cup susu
• 1 tablespoon ekstrak vanila