Mexican Rice Casserole

Name: Mexican Rice Casserole
Ingredients: 2 tablespoons canola oil; 3 cloves garlic, minced; 1/2 to 1 whole large onion, chopped; 4 cups long grain rice; Two 14.5-ounce cans whole tomatoes; One 10-ounce can diced tomatoes and green chiles, such as Rotel; 1 teaspoon cumin (or more to taste); 1 teaspoon kosher salt; 1 teaspoon ground black pepper; 1/2 teaspoon cayenne pepper; 1/4 teaspoon turmeric; 6 to 8 cups low-sodium chicken broth (more if needed); 1 1/2 cups grated Cheddar; Fresh cilantro, chopped, for serving