Barley Quinoa Cakes

Ingredients

• 4 tablespoons olive oil, divided, more if needed
• 2 cups diced mushrooms
• 2 cloves garlic, minced
• 1 tablespoon chopped fresh thyme
• 1 tablespoon chopped fresh oregano
• 2 cups cooked pearled barley
• 1 cup cooked quinoa
• 4 scallions, trimmed and thinly sliced
• 2 eggs, lightly beaten
• Salt and ground black pepper
• 1 1/2 cups panko bread crumbs, divided
• 2 to 3 cups mixed greens