01 -
Pour cooking oil into a big pan over medium-high flame. Toss in bell pepper, onion, and mushrooms and stir until they soften, roughly 5 minutes.
02 -
Toss sliced meat into the veggie mix and sprinkle with salt, pepper, and garlic powder. Let it brown for just 2-3 minutes.
03 -
Blend thickening starch, beef stock, thick cream, and English sauce together until it's smooth. Dump this mix into your pan.
04 -
Toss in pasta tubes, wait till bubbling. Turn down heat, put a lid on, and let it simmer for 15 minutes, giving it a stir now and then.
05 -
Mix in 1/2 cup grated mozzarella, then scatter the rest on top. Cover and cook another 5 minutes till it's all melty.