Striploin with golden new potatoes, rosemary and tomatoes

An important Brazilian magazine launched a special edition with chefs’ profiles and recipes – Joao bought it for me.I made a recipe from the magazine right after I got it but it didn’t work out – there was something wrong with the amount of flour. I’ll try it again some time.I was flipping through the magazine the other day, determined to try a new recipe, when I saw this beautiful piece of beef