Green beans and potatoes

Ingredients

• 300 g green beans, topped and tailed and sliced as finely as possible
• 1 potato, cubed
• 1 onion, sliced
• 1 clove of garlic, chopped (optional)
• 1 teaspoon (5 ml) salt
• 1/2 teaspoon (2 ml) white pepper
• 1/2 teaspoon (2 ml) freshly grated nutmeg
• Butter for frying