Heat the olive oil in a skillet over medium heat. Add the beef stew meat and brown it on all sides for about 5 minutes.
Transfer the browned beef to the slow cooker.
Add the sliced bell peppers, diced onion, minced garlic, paprika, diced tomatoes, beef broth, salt, and black pepper to the slow cooker.
Stir everything together to combine.
Cover and cook on low for 8 hours until the beef is tender.
Ladle into bowls and top with the chopped parsley before serving.