How To: Make Italian focaccia bread

Learn how to make focaccia bread. Ingredients are as followed: 1 x 7g sachet instant yeast (or 1 sachet dry yeast; 1 tsp sugar; 200ml tepid water); 350g (2 1/2 cups) strong white bread flour; 1/2 tsp salt; 2 tbsp olive oil.
To season - 2 cloves garlic; handful of rosemary; salt and pepper, to season; extra virgin olive oil, to drizzle.