Tuna Vegetable Souffle
["1 (10 oz.) pkg. frozen vegetables, cooked", "1/4 c. chopped pimiento", "1 Tbsp. minced onion", "2 cans tuna, drained", "instant mashed potatoes", "1/2 c. mayonnaise", "4 eggs, separated"]
["Combine first 5 ingredients in large bowl.", "Prepare 4 servings of potatoes, omitting butter.", "Fold in mayonnaise.", "Add egg yolks, one at a time; beat until fluffy.", "Stir into vegetable mixture.", "Beat egg whites until stiff and fold in.", "Pour into greased 1/2-quart casserole.", "Bake at 350\u00b0 for 1 hour or until knife inserted in center comes out clean.", "Makes 6 servings."]
["frozen vegetables", "pimiento", "onion", "tuna", "potatoes", "mayonnaise", "eggs"]