Thinly slice beef, wash and chop your vegetables and scotch bonnet.
Rinse and chop mushrooms.
Mix cornstarch with 2 teaspoons of water in a small bowl, set aside.
Heat vegetable oil in a frying pan over medium-high heat. Add beef, stir-fry to brown.
Add onions and fry until transparent, add garlic, fry until it is aromatic.
Mix in tomato paste and fry for 1 minute.
Pour in the chopped mushrooms, stir and fry until mushrooms are browned.
Add vegetables and scotch bonnet, fry until slightly wilted.
Pour in water and seasoning cube (or add a stock).
Cover, reduce heat to low and cook for 20 minutes.
Add soy sauce, stir and add the cornflour slurry a little at a time. Stir to check the thickness. It shouldn't be thick.
Cook for 2 minutes, taste and correct seasoning. Take off the heat.
Sprinkle coriander, spring onions, basil or ncha anwu (scent leaf) to serve.
Enjoy with rice, noodles, bread, or drink as it is.