Vegan zucchini oat brownie

Name: Vegan zucchini oat brownie
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: 120 g flour (1 cup); 90 g ground oats (1 cup); 40 g cocoa powder (1/2 cup); 100 g vegetable oil (1/2 cup); 200 g sugar (1 cup); two small zucchinis; 2 teaspoons vanilla extract; 2 teaspoons baking powder; 1 teaspoon salt