The comfort of a quick sirloin dinner
Some nights call for something easy but satisfying – the kind of meal that feels wholesome without taking over your evening. That’s where a good beef sirloin recipe shines. This one brings together tender grass-fed beef, sweet roasted pumpkin, crisp broccolini, and fluffy couscous. It’s simple, seasonal, and pure comfort — a midweek winner built from the sort of quality cuts and fresh produce you’ll find at the Church Street Butcher, Brighton.

Why beef sirloin makes a weeknight hero
Sirloin sits in the sweet spot between lean and tender. It’s meaty enough to please the steak-lovers, yet forgiving if you’re juggling a few things in the kitchen. A quick pan-sear locks in flavour, and a gentle oven finish keeps it juicy without fuss. Grass-fed sirloin, in particular, carries a rich, clean taste that works beautifully with the natural sweetness of roasted vegetables like pumpkin.
According to Australian Beef, 2025, sirloin is one of the most versatile cuts for quick weeknight meals — delivering balanced flavour and tenderness in under 20 minutes.
Cooking technique: sear, then finish gently
If you’ve ever been unsure about how to nail the perfect steak, this two-step method will change your confidence in the kitchen. Start by searing the sirloin in a hot pan — you’re not cooking it through yet, just building a caramelised crust. Then move it to a moderate oven to finish cooking evenly. This technique prevents overcooking and creates a deep, golden surface that’s all flavour.
For medium doneness, pull the steak off the heat around 65–70 °C and rest it for five minutes so the juices redistribute — your ticket to a tender, glossy slice every time. A digital thermometer is worth keeping on hand for accuracy, as recommended by Australian Beef, 2025.
The pumpkin advantage: sweetness meets savoury
Pumpkin brings colour, comfort, and a hint of caramel when roasted. Its earthy sweetness naturally balances the savoury depth of beef. Cut it into even cubes for uniform roasting, toss in a little olive oil, and season with cumin or smoked paprika. That subtle spice lifts the dish and gives it warmth.
RecipeTin Eats, 2025 notes that preheating the tray helps the pumpkin caramelise more evenly — a smart move when you want that golden finish.
Broccolini: freshness and crunch on the plate
While the beef and pumpkin do the heavy lifting, broccolini adds a burst of freshness and texture. Blanch it quickly or toss it in a hot pan with olive oil and a knob of butter. You’re looking for a bright green colour and tender stems that still have some bite.
Right before serving, finish with a squeeze of lemon juice or a sprinkle of zest — that acid balances the beef’s richness and brightens the whole plate. It’s a trick borrowed from Taste.com.au, 2025 and one that takes no extra time at all.
Couscous: the quick, clever base
Couscous is the definition of easy. Just cover it with hot stock or water, cover, and let it steam for a few minutes. Fluff it up with a fork, drizzle with olive oil, and fold through chopped parsley, mint, or coriander. A splash of lemon juice turns it into a fresh, zesty base that soaks up the steak’s juices beautifully.
If you want something with more bite, pearl couscous is a great swap — it gives a slightly chewy texture and a more substantial feel. As RecipeTin Eats, 2025 suggests, couscous works best when it’s well-seasoned, so don’t skip the salt or herbs.
Bringing it all together: plating and portioning like a pro
Think of this as a layered dish rather than separate components. Start with a bed of herbed couscous, add a generous scoop of roasted pumpkin, and arrange your sliced sirloin over the top. Drizzle any pan juices back over the meat — that’s where the real flavour is hiding.
A quick glaze of reduced balsamic or red wine adds a chef’s touch, giving the meal depth and shine. Follow the butcher’s guide: around 180–220 g of raw sirloin per adult keeps portions satisfying but balanced. That’s the sweet spot recommended by Church Street Butcher, 2025.
Butcher’s tip: get to know your steak
Good meat is more than just the cut — it’s how it’s raised. Grass-fed beef has a distinct flavour that reflects Australian pasturelands, producing leaner meat with a natural richness. If you’re unsure which sirloin to pick, ask your local butcher for a centre-cut sirloin — it’s uniform in size and ideal for quick searing.
Why this recipe works for real life
This isn’t fine dining — it’s smart, balanced cooking. Each element plays a role: the beef gives you iron and protein, pumpkin offers vitamin A and fibre, broccolini delivers folate and antioxidants, and couscous ties it all together with wholegrain comfort. It’s proof that “healthy” can taste hearty.
And because everything cooks in around half an hour, it fits neatly between work, homework, or whatever the evening throws your way.
Ready to cook?
You’ll find the full recipe, including detailed timings and ingredient list, at the link below.
Ingredients
- 4 x 350 gram Beef sirloin (trimmed)
- 1½ teaspoon Ground cumin
- 1½ teaspoon Ground coriander
- 1½ teaspoon Garlic powder
- 1 Lime (zested, juiced)
- 80 millilitre Olive oil (⅓ cup)
- 500 gram Butternut pumpkin piece (seeds removed, cut into rough wedges)
- 2 bunch Brocolini
- Light sour cream & ime wedges (to serve)
Herb couscous
- 1½ tablespoon Olive oil
- 200 gram Couscous (1 cup)
- 250 millilitre Vegetable stock (1 cup)
- 1 Lemon (zested finely, juiced)
- 2 tablespoon Flat-leaf parsley (finely chopped)
- 2 tablespoon Mint (finely chopped)
Instructions
- Place spices, garlic, zest, juice and 2 tablespoons in a large bowl and whisk to combine. Season to taste. Add steak and coat well in marinade. Cover and marinate at room temperature for 30 minutes.
- Preheat oven to 200C. Meanwhile, place pumpkin on a large shallow oven tray and drizzle with remaining oil and season to taste. Roast for 25 minutes or until golden and cooked. Bring a large saucepan of boiling water to the boil, add brocolini and cook for 5 minutes or until cooked to your liking. Drain and season to taste.
- Preheat a lightly greased char-grill pan or barbecue to high. Cook steak for 2½ – 3 minutes each side or until cooked to your liking. Rest for 15 minutes, covered with foil in a warm place, before slicing, to serve
- To make herbed couscous, place couscous in a large heatproof bowl and stir through olive oil. Bring stock to the boil and stir into couscous. Cover and stand for 10 minutes. Using a fork, gradually loosen couscous then stir in remaining ingredients. Season to taste.
- Divide couscous, brocolini, pumpkin and flank steak among plates. Serve with lime wedges.
Notes
- If time permits, marinade steak for 3 hours or over night in the refrigerator. Before cooking, leave to stand at room temperature.
- This popular cut is best cooked using high temperature methods.
- Sirloin steaks can also be thinly sliced to be used in stir-fries.
- Also known as Porterhouse Steak, New York Steak or Striploin Steak.
- Other substitutes are flat iron steak or rump medallion.
- For best results, ask your butcher to cut your steaks at about 3-4cm thick steaks