Chiles Poblanos Rellenos

Name: Chiles Poblanos Rellenos
Ingredients: 1 1/2 tablespoons cooking oil; 2 pounds lean ground beef; 1/2 cup chopped onion or 2 green onions, chopped; 1/2 clove garlic, chopped; 1 cup diced tomatoes; 1/4 teaspoon cumin; Kosher salt and freshly ground black pepper; 1 1/2 cups cooking oil; 2 medium tomatoes, diced; 1 green bell pepper, diced; 1/2 large onion, chopped; 1/2 garlic clove; Half a 28-ounce can chopped tomatoes; Pinch cumin; 12 poblano chiles; Shredded white cheese, for serving; Chopped Fresh cilantro, for serving