Ingredients: 2 (12oz) packages of frozen French cut green beans 8 oz mushrooms, quartered 1 small onion, thinly sliced 1 tbsp fresh parsley, chopped 2 tbsp all-purpose flour ½ tsp lemon zest ½ tsp salt Pinch of black pepper ½ cup milk 3 tbsp butter 1 cup sour cream ½ cup of Cheddar cheese, grated [...]