Falafel Mushroom Loaf

Name: Falafel Mushroom Loaf
Ingredients: cooking spray; 1 1/4 pounds cremini mushrooms, trimmed; 1 1/4 pounds shiitake mushrooms, trimmed; 1/2 onion, coarsely chopped; 2 teaspoons ground cumin; 2 teaspoons ground coriander; 1 clove garlic, smashed; 1/2 teaspoon ground cardamom; 2 tablespoons vegetable oil, divided; 1 (15 ounce) can cannellini beans, drained and rinsed; 3/4 cup boxed falafel mix; 3/4 cup coarsely chopped cilantro; 1/2 cup coarsely chopped parsley; 1 egg; 1 teaspoon kosher salt