Chocolate Zucchini Cake

Ingredients (20)

• For the chocolate zucchini cake:
• 2 cups all-purpose flour
• 1 cup unsweetened cocoa powder
• 2 teaspoons baking soda
• 1/2 teaspoon salt
• 1 1/2 cups brown sugar
• 3/4 cup vegetable oil or canola oil
• 1/4 cup melted butter
• 1/4 cup buttermilk
• 3 large eggs
• 1 1/2 teaspoons vanilla extract
• 2 cups shredded zucchini
• 1 cup chocolate chips
• For the chocolate frosting:
• 1/2 cup unsalted butter
• 3 cups confectioner's sugar
• 2/3 cup unsweetened cocoa powder
• 1/3 cup milk
• 1 teaspoon vanilla extract
• Pinch of salt