01 - Heat olive oil in a large skillet over medium heat. Add the finely chopped onion and sauté for 2–3 minutes until softened and translucent.
02 - Introduce the minced garlic and sliced mushrooms to the skillet. Cook for approximately 5 minutes, stirring occasionally, until the mushrooms achieve a golden hue and any released liquid has evaporated.
03 - Increment the heat to medium-high. Add the ground beef to the skillet, breaking it apart with a spoon. Cook until thoroughly browned and no pink remains, about 5 minutes. Drain any excess rendered fat.
04 - Evenly distribute the all-purpose flour over the beef mixture. Stir vigorously to coat all components and cook for 1 minute to toast the flour.
05 - Gradually pour in the beef broth while continuously stirring to ensure a smooth sauce without lumps. Integrate the Worcestershire sauce and Dijon mustard. Allow the mixture to simmer for 5 minutes, or until it thickens to the desired consistency.
06 - Reduce the heat to low. Gently stir in the sour cream until fully incorporated. Season the mixture with salt and black pepper to taste. Warm through, taking care not to allow the sauce to boil after adding the sour cream.
07 - Warm the large flour tortillas. This can be achieved by heating them in a dry skillet over medium heat for about 30 seconds per side, or by briefly warming them in a microwave.
08 - Divide the stroganoff mixture evenly among the four warmed tortillas, placing the filling slightly off-center. Roll up each tortilla securely to encase the filling.
09 - If desired, sprinkle the completed wraps with chopped fresh parsley. Serve the Budget Beef Stroganoff Comfort Wraps immediately.