Cheesy Summer Stuffed Poblanos

Name: Cheesy Summer Stuffed Poblanos
Cuisine: Mexican
Ingredients: 6 poblano peppers; 1 tablespoon olive oil; 1 cup cooked jasmine rice; 2/3 cup black beans; 2/3 cup freshly grated monterey jack cheese + extra for topping; 2/3 cup grape tomatoes, (quartered); 1/3 cup freshly torn cilantro; 4 green onions, (sliced); 2 garlic cloves, (minced); 1/4 teaspoon salt; 1/4 teaspoon pepper; 1/4 cup sour cream; salsa for serving; sliced avocado for serving