Typical ratio:
1:1:8
2 tablespoons each of butter and flour to 1 cup milk
Ingredients
- 1/4 cup (35g) unsalted butter
- 1/3 cup (30g) plain flour
- 2 1/2 cups (600ml) milk
- 1/4 tsp ground nutmeg
- 1 cup (70g) parmesan
- 1 tsp salt and white pepper
- 1 bay leaf