Beef Udon Stir Fry recipe, you’ll want to make on repeat. Thick udon noodles, tender beef, and the best savoury sauce in just 20 minutes! Ingredients 250g beef steak (around 8.8 oz) ribeye, rump, or choice of tender steak 400g udon noodles (around 14 oz) 2 heads of pak choi (or bok choy/choy sum) 100g choice of mushrooms (around 3.5 oz) 1 tbsp garlic, finely chopped 1 onion, cut into thin slices 2 spring onions, cut into thin slices 2 tbsp vegetable oil or any neutral-flavoured oil Stir Fry Sauc