Steam or microwave potatoes for 5 mins until partially cooked.

Heat oil and butter in large frypan over med heat. Cook garlic for 30 secs until fragrant. Transfer to bowl. Cook potatoes in pan in batches, for 2-3 mins each side until golden. Return potatoes and garlic to pan and add lemon juice. Cook for 1-2 mins until lemon juice reduces. Season and serve.