Instant Pot® Beef Burritos
1 (14.5 ounce) can fire-roasted diced tomatoe… 1 (14.5 ounce) can vegetable broth 1 (15 ounce) can black beans, drained and rin… 1 avocado, diced, or more to taste 1 cup uncooked long grain rice 1 pound 85% lean ground beef 1 small onion, diced 1 tablespoon olive oil 1 teaspoon kosher salt 2 (1 ounce) packets taco seasoning 2 cups shredded Mexican cheese blend 2 green onions, chopped, or to taste 2 tomatoes, diced, or more to taste 8 (10 inch) burrito-size tortillas, or as nee… ¼ cup chopped cilantro, or to taste ¼ cup sour cream, or to taste ½ teaspoon ground black pepper