German Spaghetti

• 1/2 lb Bacon

• 1 lb Bratwurst sausage

• 1 cup Baby bella or button mushrooms

• 1 tbsp Chives, fresh

• 1 Yellow onion, small

• 2 tbsp Stoneground mustard

• 8 oz Spaghetti

• 3 tbsp All-purpose flour

• 1 Kosher salt and freshly ground black pepper

• 1 tsp Apple cider vinegar

• 3 tbsp Butter, unsalted

• 1 cup Cheddar cheese, grated

• 2 cups Milk

• 1/2 cup Sour cream

• 8 oz Heifeweizen or other german beer