Lean beef sirloin: 85g (3 oz, thinly sliced), Mushrooms: 100g (1 cup, sliced), Onion: 25g (1/4 cup, diced), Garlic: 3g (1 clove, minced), Whole wheat pasta: 50g (1/2 cup, dry), Greek yogurt (plain, low-fat): 30g (2 tbsp), Beef broth (low-sodium): 60ml (1/4 cup), Dijon mustard: 5g (1 tsp), Worcestershire sauce: 5ml (1 tsp), Olive oil: 5ml (1 tsp), Flour: 5g (1 tsp), Parsley (fresh): 5g (1 tbsp, chopped), Salt: 1g (pinch), Black pepper: 1g (1/4 tsp)