Best Mustard Beef with Mushrooms

Ingredients:

• 455g (1lb) extra lean ground beef
• 225g (8oz) fresh baby Portobello or chestnut mushrooms, sliced
• 2 red onions, sliced finely
• 3 cloves garlic, crushed
• 480ml beef stock
• 1 tablespoon wholegrain mustard
• 1 tablespoon arrowroot flour
• Pinch dried thyme
• 1 tablespoon balsamic vinegar
• 2 tablespoons tomato paste
• Salt and pepper to taste
• Fresh chopped Italian parsley for serving

Instructions:

1. Brown beef: Cook ground beef in a frying pan over medium-high heat, seasoned with salt and pepper. Remove from pan and set aside.
2. Sauté vegetables: Spray pan with cooking spray and add onions and garlic. Cook until softened.
3. Caramelize mushrooms: Add mushrooms and a little beef stock. Cook until onions and mushrooms are caramelized.
4. Combine ingredients: Return beef to pan along with thyme, tomato paste, balsamic vinegar, remaining stock, and salt and pepper.
5. Thicken sauce: Mix arrowroot flour with water and add to pan. Bring to a boil, then reduce heat and simmer for 20 minutes.
6. Serve: Top with parsley and your choice of sides.

Enjoy!