Spaghetti Carbonara

Ingredients

• 3 c. mushrooms with stems, sliced 1/4 inch (8 oz. by weight)
• 6 Tbsp. shallots, minced finely
• 1/4 c. rendered bacon drippings (preferable) or pure olive oil (optional)
• 24 slices bacon (extra thick), precooked and sliced into 1/2-inch strips
• 2 lb. cooked spaghetti, precooked, hot (1 lb. dry weight)
• 4 Tbsp. pure olive oil
• 3 c. light, hot Bechamel Sauce
• 3 to 4 good grindings fresh ground black pepper
• 2 tsp. parsley, finely chopped
• 4 Tbsp. Parmesan cheese, freshly grated
• salt to taste