Easy Hamburger Stroganoff

Ingredients

• tablespoon olive oil
• pound ground beef
• Kosher salt and freshly ground black pepper
• pound cremini mushrooms
• tablespoon tomato paste
• tablespoon all-purpose flour
• beef broth
• ounces wide egg noodles
• sour cream*
• teaspoon Dijon mustard
• tablespoons chopped fresh parsley leaves