INGREDIENTS
For the roux:
2 tbsp
unsalted butter
2 tbsp
all-purpose plain flour
2 cups
milk
1 tsp
ground black pepper
4 tsp
oregano
salt
250 g
uncooked spaghetti
1 tbsp
unsalted butter
140 g
ham, diced
250 g
mushrooms, sliced
freshly ground black pepper