Succulent Grilled Steak with Crispy Potatoes

Ingredients

• 1 round steak (2 cm thick, about 500 g)
• 1/2 tsp pepper
• 4 medium baking potatoes (washed and sliced lengthwise into 1 cm slices)
• 1/3 cup reduced-salt chicken stock
• 1 tbsp extra virgin olive oil
• 2 tsp freshly squeezed lemon juice
• 2 large garlic cloves (finely chopped)
• 1 tbsp fresh oregano (chopped, or 1 teaspoon dried oregano)
• 1/2 tsp crushed dried chilies (or to taste)
• 1 small onion (finely chopped)
• 1/2 cup Italian parsley (finely chopped)