If you’re craving a classic takeaway favourite but want to keep things low-carb, this Beef and Broccoli Stir Fry is the perfect answer. Packed with tender strips of beef, crisp broccoli florets, and a savoury garlic soy sauce, this dish delivers all the flavour and satisfaction of the original—without the carbs.
Stir fries are ideal for busy weeknights, as they come together quickly and use minimal ingredients. In this recipe, you’ll marinate the beef for extra tenderness, then sear it to a golden finish before tossing with vibrant broccoli and a rich, umami-packed sauce. The result is a meal that’s high in protein, loaded with healthy fats, and bursting with Asian-inspired flavours.
Serve this stir fry on its own or over a bed of cauliflower rice for a truly satisfying keto dinner. With just one pan and under 30 minutes from start to finish, it’s a fuss-free way to enjoy a comforting, healthy meal any night of the week.
At a glance
- Time: 25 minutes
- Difficulty: Easy
- Servings: 2
- Cost: Affordable
Macros (per serving)
- Protein: 28 g
- Fat: 18 g
- Carbs: 6 g
- Energy: 310 kcal
Ingredients
- 250g Beef sirloin (Thinly sliced against the grain)
- 200g Broccoli florets (Cut into bite-sized pieces)
- 3 tbsp Coconut aminos or tamari (Low-carb soy sauce alternative)
- 2 Garlic cloves (Finely minced)
- 1 tsp Fresh ginger (Grated)
- 1 tbsp Sesame oil (For stir frying)
- 2 Spring onions (Sliced, for garnish)
- 1 tsp Toasted sesame seeds (Optional, for garnish)
Equipment Needed
- Large frying pan or wok
- Sharp knife
- Chopping board
- Mixing bowl
- Spatula
Steps
- In a mixing bowl, combine the sliced beef with 1 tablespoon coconut aminos, half the minced garlic, and grated ginger. Toss well and let marinate for 10 minutes.
- Heat the sesame oil in a large frying pan or wok over medium-high heat until shimmering.
- Add the marinated beef in a single layer. Sear for 2–3 minutes per side until browned and just cooked through. Remove beef from the pan and set aside.
- Add broccoli florets to the pan with a splash of water. Stir fry for 3–4 minutes until bright green and just tender.
- Return the beef to the pan along with the remaining coconut aminos and garlic. Toss everything together for 1–2 minutes until the sauce coats the beef and broccoli.
- Taste and adjust seasoning if needed. Remove from heat.
- Serve hot, garnished with sliced spring onions and toasted sesame seeds.
Allergens & Swaps
Allergens:
Recipe contains: soy, none
Potential swaps:
- Coconut aminos or tamari → Gluten-free soy sauce — If not avoiding soy, use gluten-free soy sauce.
- Sesame oil → Avocado oil — For sesame allergy, use avocado oil.
- Beef sirloin → Chicken breast or tofu — For a different protein, use thinly sliced chicken or firm tofu.
Serving Ideas
- Cauliflower rice – for a classic takeaway feel and extra fibre.
- Shirataki noodles – for a noodle bowl experience with almost zero carbs.
- On its own – as a protein-packed, low-carb main.
Additional Info
Chefs Tips
- Slice the beef as thinly as possible for quick, even cooking.
- Don’t overcrowd the pan—cook beef in batches if needed for best browning.
- Add a splash of water when stir frying broccoli to help it steam and stay vibrant.
Variations
- Add sliced mushrooms or bell peppers for extra veg.
- Swap beef for prawns or chicken for a different protein.
- Stir in a handful of spinach at the end for added greens.
Troubleshooting
- Beef is tough: Slice thinner and marinate longer for tenderness.
- Broccoli is soggy: Stir fry over high heat and avoid overcooking.
- Sauce is too thin: Simmer for an extra minute to reduce.
Storage & Reheating
Store leftovers in an airtight container in the fridge. This stir fry also freezes well for quick future meals.
- Fridge: up to 3 days
- Freezer: up to 2 months
- Reheat: Reheat gently in a pan over medium heat until piping hot.
Ingredient Spotlight
Beef sirloin: Lean, flavourful, and quick-cooking, sirloin is perfect for stir fries and stays tender when sliced thinly.
Broccoli: A low-carb vegetable rich in fibre, vitamin C, and antioxidants, broccoli adds crunch and nutrition.
Coconut aminos: A soy-free, gluten-free alternative to soy sauce, coconut aminos add savoury depth with fewer carbs.
FAQs
Can I use frozen broccoli?
Yes, thaw and pat dry before stir frying to avoid excess moisture.
What cut of beef works best?
Sirloin, flank, or rump steak all work well when sliced thinly against the grain.
Is this recipe dairy-free?
Yes, this beef and broccoli stir fry is naturally dairy-free.
How do I make it spicier?
Add a pinch of chilli flakes or a dash of sriracha to the sauce for extra heat.
Can I meal prep this dish?
Absolutely! Store in airtight containers and reheat gently before serving.
Beef and Broccoli Stir Fry with Garlic Soy Sauce
Ingredients
- 250g Beef sirloin (Thinly sliced against the grain)
- 200g Broccoli florets (Cut into bite-sized pieces)
- 3 tbsp Coconut aminos or tamari (Low-carb soy sauce alternative)
- 2 Garlic cloves (Finely minced)
- 1 tsp Fresh ginger (Grated)
- 1 tbsp Sesame oil (For stir frying)
- 2 Spring onions (Sliced, for garnish)
- 1 tsp Toasted sesame seeds (Optional, for garnish)
Instructions
- In a mixing bowl, combine the sliced beef with 1 tablespoon coconut aminos, half the minced garlic, and grated ginger. Toss well and let marinate for 10 minutes.
- Heat the sesame oil in a large frying pan or wok over medium-high heat until shimmering.
- Add the marinated beef in a single layer. Sear for 2–3 minutes per side until browned and just cooked through. Remove beef from the pan and set aside.
- Add broccoli florets to the pan with a splash of water. Stir fry for 3–4 minutes until bright green and just tender.
- Return the beef to the pan along with the remaining coconut aminos and garlic. Toss everything together for 1–2 minutes until the sauce coats the beef and broccoli.
- Taste and adjust seasoning if needed. Remove from heat.
- Serve hot, garnished with sliced spring onions and toasted sesame seeds.
Allergens & Swaps
Allergens: soy, none
- Coconut aminos or tamari → Gluten-free soy sauce — If not avoiding soy, use gluten-free soy sauce.
- Sesame oil → Avocado oil — For sesame allergy, use avocado oil.
- Beef sirloin → Chicken breast or tofu — For a different protein, use thinly sliced chicken or firm tofu.
Nutrition (per serving)
- Protein: 28 g
- Fat: 18 g
- Carbs: 6 g
- Energy: 310 kcal
