Pickle the onions

• Thinly slice the red onion and place in a mixing bowl.
• Cover with the vinegar and a pinch of salt, then set aside to soften.

Roast the sweet potatoes

• Prick the purple sweet potatoes and place on a baking tray.
• Bake at 200 °C until tender all the way through.

Cook the steak

• Season the steak with salt and black pepper.
• Sear in a hot pan with a little olive oil, turning once, until browned to your liking.
• Rest the steak before slicing it thinly.

Fry the eggs

• Fry the eggs in the same pan until the whites are set and the yolks still soft.

Assemble

• Split the sweet potatoes open and fluff the flesh.
• Top with sliced steak, fried eggs and the pickled onions.
• Season with a little salt and pepper and serve.