1. Peel and cut the potatoes into small cubes. Boil them in salted water until they are just tender.

2. Heat oil in a pan and fry the potatoes until golden brown and crispy. Season with salt and pepper.

3. In a separate pan, make the spicy tomato sauce by sautéing garlic and chili flakes in olive oil. Add diced tomatoes and cook until thickened.

4. Serve the crispy potatoes hot with the spicy tomato sauce drizzled on top. Enjoy your Patatas Bravas!