Do not overcrowd the pan when browning beef; brown in batches if needed for caramelization., Deglaze the pan after cooking garlic and ginger by adding a splash of broth or soy sauce and scraping browned bits for extra flavor., Simmer beef longer if pieces are still chewy but avoid overcooking to prevent falling apart., Cut broccoli evenly for uniform cooking and preserve crispness; alternatively, blanch or steam separately and add at the end., Add cornstarch slurry slowly and stir constantly to avoid lumps and achieve glossy sauce., Add sesame oil off the heat or just before serving to preserve aroma., Adjust sauce thickness by adding more cornstarch slurry (for thicker) or broth (for thinner)., Store leftovers in airtight container up to 4 days and reheat gently with splash of broth or water., Variations include using thinly sliced steak for quicker cooking, slow cooker or pressure cooker methods, chicken substitutions, or vegetarian options using tofu or tempeh., Additional vegetables such as bell peppers, snap peas, carrots, mushrooms, or baby corn can be added for variety., Add spice with crushed red pepper flakes, chili oil, Sriracha, or chili-garlic sauce if desired., Garnish with toasted sesame seeds, sliced green onions, or a squeeze of fresh lime juice for added flavor and texture.