Instant Pot® Beef and Veg Chili
1 (19 ounce) can red kidney beans, drained an… 1 (19 ounce) can white kidney beans, drained … 1 (28 ounce) can diced tomatoes 1 large onion, finely chopped 1 pinch red pepper flakes, or more to taste 1 pound extra-lean ground beef 1 red bell pepper, finely chopped 1 tablespoon chili powder, or more to taste 1 tablespoon fresh lemon juice 1 tablespoon olive oil 1 tablespoon tomato paste, or more to taste 1 teaspoon ground cumin 1 teaspoon olive oil 2 carrots, finely chopped 2 ribs celery, finely chopped 3 large cloves garlic, minced ¼ teaspoon ground black pepper ½ cup beef broth ½ teaspoon salt