Heat a little oil in a pan, then sauté garlic and onions until fragrant.
Add mushroom and carrot, sautee until slightly cooked
Add ground beef, ginger, red and yellow bell peppers, and stir.
Season with soy sauce, hoisin sauce, sesame oil, rice vinegar, brown sugar, sweet chili sauce, beef powder, pinch of salt and pepper. Stir and cook until done.
Sprinkle sliced spring onion over the mixture, then stir again.
Serve the beef mixture on top of romaine lettuce.
Sprinkle tomato on top, and finally, Ready to serve!