Classic family meal: Beef Scotch with potato galette, wilted greens and horseradish cream

BEEF SCOTCH WITH POTATO GALETTE, WILTED GREENS & HORSERADISH CREAM 
Ready in: 30 minutes
Prep: 10 minutes
Cook: 25 minutes
Serves: 2-3 

Potato galette
400g baby potatoes, peeled and sliced into 0.5cm-thick rounds 
2 tablespoons melted butter
1 clove garlic, minced
¼ teaspoon dried thyme (or use 1 teaspoon chopped fresh thyme leaves)

Beef scotch
300g beef scotch fillet steaks (at room temperature)

from
http://www.stuff.co.nz/life-style/food-wine/recipes/95809062/Classic-family-meal-Beef-Scotch-with-potato-galette-wilted-greens-and-horseradish-cream