Split Pea Burgers - Alton Brown

Ingredients

• 2 tablespoons olive oil, divided
• 1/2 cup chopped onion
• 1/2 cup chopped bell pepper
• Kosher salt
• 2 teaspoons minced garlic
• 4 ounces mushrooms, sliced
• 3 cups vegetable broth
• 1 cup dry split peas, sorted and rinsed
• 1/2 cup dry brown rice
• 1 teaspoon ground coriander
• 1 teaspoon ground cumin
• 1 cup plain dry breadcrumbs, divided
• Freshly ground black pepper, to taste