High-Protein Steak with Sweet Potato Mash, Chimichurri Butter & Fried Egg
A satisfying high-protein steak bowl with creamy sweet potato mash, zesty chimichurri butter and a crisp fried egg. Bold flavours and simple technique make it ideal for fresh dinners or meal prep.

Steak, Mash & Eggs
Pin Recipe
10 minutes
25 minutes
35 minutes
2 People
Ingredients
Steak
- 400g (14oz) Rump or Scotch Fillet
- 1 Tbsp (20ml) Olive Oil
- Salt & Pepper
Sweet Potato Mash
- 400g (14oz) Sweet Potato
- 200g (7oz) All Rounder Potatoes
- 80g (2.8oz) Greek yogurt
- Salt & Pepper
Chimichurri Butter
- 50g (1.7oz) Unsalted Butter, softened
- 5g (0.2oz) Flat leaf parsley, roughly chopped
- 1 Garlic clove, minced
- 1 tsp (5ml) Red wine vinegar
- ½ tsp (1g) Dried chilli flakes
- Salt & Pepper
Serving (Garnish)
- 2 Whole eggs
- Flat leaf parsley, roughly chopped
Instructions
- Bring the steak to room temperature and pat it dry. Rub with olive oil and season generously with salt and pepper.
- Make the chimichurri butter by combining softened butter, parsley, garlic, red wine vinegar, chilli flakes, salt and pepper. Chill for 30 minutes so flavors meld; spoon over sliced steak when ready to serve.
- Boil the sweet potatoes and all-rounder potatoes in salted water for 22–25 minutes, until fork tender. Drain well.
- Mash the potatoes with a rice or handheld masher. Stir in Greek yogurt, a splash of olive oil, salt and pepper. Adjust to your preferred texture—smooth or slightly chunky.
- Heat a non-stick pan over medium and add a little oil. Crack in the eggs and fry for 3–4 minutes, until the whites are just set and the yolks remain soft. Remove and keep warm.
- Preheat a heavy skillet or grill pan until smoking hot. Sear the steaks 2–2½ minutes per side for medium-rare (adjust for thickness). Let rest 5–10 minutes, then slice thinly against the grain.
- Assemble bowls with sweet potato mash, sliced steak, a dollop of chimichurri butter and the fried egg. Finish with chopped parsley and cracked black pepper. Serve immediately.
Nutrition Guide
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The nutrition guide above is an estimate for a single serving based on typical ingredients and portion sizes.
Recipe Notes
Storage Instructions
Steak & Mash
Allow cooked steak slices and sweet potato mash to cool, then store in airtight containers. Refrigerate for up to 4 days.
Chimichurri Butter
Keep chilled in an airtight container or wrapped in baking paper in the fridge for up to 7 days. It also freezes well for up to 1 month.
Fried Egg
Best when cooked fresh. If meal prepping, store eggs separately and reheat gently; for best texture, fry the egg just before eating.
Reheating Instructions
Steak
Microwave on medium for 60–90 seconds covered, or warm gently in a pan over low heat until just heated through. Avoid high heat to prevent drying.
Sweet Potato Mash
Microwave in 30–60 second bursts, stirring between each, until hot. Add a splash of milk or water to loosen if needed.
Chimichurri Butter
Allow it to melt over hot steak or mash at serving time.
Egg
Frying fresh is recommended. If reheating, microwave for 10–15 seconds on low or warm gently in a pan.
Watch How To Make The Recipe
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