Gratin vaudois with sausage, a Swiss recipe from the Worldwide Gourmet

Ingredients

• - 1 Vaudois sausage, 400-500 g (14-18 oz.)
• - 800 g (1 lb. 12 oz.) Potatoes
• - 300 g (10 oz.) grated Jura or Gruyère cheese
• - 2 onions
• - 30 g (2 tbsp.) butter
• - 3 cloves of garlic
• - 200 ml (3/4 cup) dry white wine
• - Pepper