Pastitos(Serves 4 To 6)  
["3 Tbsp. butter", "3 Tbsp. flour", "1 1/2 c. milk", "3/4 c. grated Parmesan cheese", "1 egg, beaten", "1/3 c. olive oil", "1 1/2 c. chopped onion", "1 lb. ground beef", "2 tomatoes, peeled and chopped", "1 1/2 tsp. salt", "1/4 tsp. freshly ground black pepper", "1 lb. macaroni, cooked and drained"]
["Melt the butter in a saucepan.", "Blend in the flour until smooth.", "Gradually add the milk, stirring constantly, to the boiling point.", "Mix in 1/4 cup of the cheese and cook over low heat for 5 minutes.", "Beat the egg in a bowl.", "Gradually add the hot sauce, beating constantly, to prevent curdling.", "Taste for seasoning."]
["butter", "flour", "milk", "Parmesan cheese", "egg", "olive oil", "onion", "ground beef", "tomatoes", "salt", "freshly ground black pepper", "macaroni"]