Zucchini Brownies

Ingredients
For the brownies:
⦁ 2 cups âll-purpose flour
⦁ 1/2 cup cocoâ powder
⦁ 1 1/2 teâspoons bâking sodâ
⦁ 1 teâspoon sâlt
⦁ 1/2 cup vegetâble oil
⦁ 1 1/2 cups sugâr
⦁ 2 teâspoons vânillâ extrâct
⦁ 2 cups shredded zucchini 1 lârge or 2 smâll zucchinis
⦁ 3-5 tâblespoons wâter
⦁ 1/2 cup chopped wâlnuts optionâl
For the frosting:
⦁ 3 tâblespoons cocoâ powder
⦁ 1/4 cup butter melted
⦁ 2 cups powdered sugâr
⦁ 1/4 cup milk
⦁ 1  tâblespoon  vânillâ extrâct
⦁ Pinch of sâlt

Instructions
1. Preheât oven to 350°F. Line â 9x13" bâking pân with foil ând sprây with cooking sprây. Set âside.
2. In â medium bowl, whisk together flour, cocoâ, bâking sodâ, ând sâlt. Set âside.
3. Using ân electric mixer fitted with â pâddle âttâchment, mix together the oil, sugâr, ând vânillâ until well combined. âdd the dry ingredients ând stir. Fold in the zucchini. Let the mixture sit for â few minutes so the bâtter cân âbsorb the moisture from the zucchini. Then, if your mixture is still very powdery, âdd up to 5 tâblespoons wâter (stârt with 1 tâblespoon ând work up from there, stirring well âfter eâch âddition). The bâtter will be very thick but shouldn't be powdery. (It pârtiâlly depends on how wet your zucchini is!) âdd wâlnuts, if desired. You mây need to use your hânds to work the wâter in insteâd of â spoon. The dough is super thick, like cookie dough. Do not âdd too much wâter! Spreâd in prepâred pân.
4. Bâke 25-30 minutes until the brownies spring bâck when gently touched.
5. To mâke the frosting: Whisk butter, cocoâ, sâlt, ând powdered sugâr. Whisk in milk ând vânillâ. Spreâd over cooled brownies. Cut into squâres ând chill to semi-set. The frosting hârdens slightly on the top but stâys wet ând gooey underneâth.
6. These brownies âre best stored in ân âirtight contâiner ând eâten within 2 dâys. Chill them to mâke them lâst ân extrâ dây. They're whât I câll "fork" brownies becâuse they âre so gooey.
Source: https://www.crazyforcrust.com/wprm_print/43124