Onion Soup
["2 c. onion, thinly sliced", "1/2 c. butter", "1/4 c. flour", "1/4 tsp. pepper", "1 1/2 tsp. salt", "2 c. milk", "2 c. beef stock", "grated Parmesan cheese to taste"]
["Saute onions in butter over low heat for 20 to 30 minutes until tender and transparent.", "Blend in flour, pepper and salt and cook over medium heat, stirring until bubbly.", "Remove from heat and stir in milk and stock gradually.", "Return to heat and bring to a boil, stirring constantly.", "Add Parmesan cheese, stirring constantly for 1 minute, then serve."]
["onion", "butter", "flour", "pepper", "salt", "milk", "beef stock", "Parmesan cheese"]