Easy Spinach Souffle
["1/2 c. mayonnaise", "1/4 c. flour", "2 Tbsp. grated onion", "3/4 tsp. salt", "1/4 tsp. nutmeg", "1/4 tsp. black pepper", "1 c. milk", "1 (10 oz.) pkg. chopped spinach, thawed and drained", "4 eggs, separated", "1/4 tsp. cream of tartar"]
["Heat", "oven to 400\u00b0.", "Grease a 2-quart souffle dish.", "In a saucepan, combine mayonnaise, flour, onion, salt, nutmeg and pepper;", "stir", "constantly over medium heat for 1 minute.", "Stir in milk", "until", "smooth.", "Stir\tconstantly,", "cook until thick. Remove from heat.\tStir in spinach.", "Beat in egg yolks.", "In a small bowl,", "beat egg whites with cream of tartar until stiff peaks form.", "Gently", "fold", "into", "spinach mixture.", "Spoon into prepared dish.", "Place", "on", "lowest", "rack of oven.", "Reduce oven temperature to\t375\u00b0.", "Bake", "for", "40 minutes until puffed and golden brown. Serve immediately.\tServes 4 to 6."]
["mayonnaise", "flour", "onion", "salt", "nutmeg", "black pepper", "milk", "chopped spinach", "eggs", "cream of tartar"]