Mexican Lentil and Brown Rice Casserole - No Getting Off This Train

Ingredients

• 3/4 cup green lentils
• 3/4 cup brown rice
• 1 green bell pepper, chopped
• 1 tablespoon chopped garlic
• 3 cups chicken or vegetable broth (or 3 bouillon cubes with 3 cups of water)
• 1 15-ounce can diced tomatoes
• 1 4-ounce can green chiles
• 1 package taco seasoning
• 2 teaspoons oregano
• 1 teaspoon onion powder
• Salt and pepper, to taste
• 1 1/2 cups shredded cheddar cheese