All-in-one-pan beef stroganoff

Name: All-in-one-pan beef stroganoff
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: European, Eastern European
Ingredients: 36.40 gm extra virgin olive oil; 600g beef rump steak, trimmed, thinly sliced; 1 large brown onion, halved, cut into thick wedges; 200g cup mushrooms, halved; 2 garlic cloves, crushed; 10.00 gm smoked paprika, plus extra to serve; 48.80 gm Worcestershire sauce; 44.40 gm tomato paste; 765.00 gm beef stock; 300g dried angel hair pasta; 2 zucchini, cut into ribbons; 155.10 gm sour cream; 62.50 ml chopped fresh flat-leaf parsley, to serve