Tuna Bake With Cheese Swirls
["3 Tbsp. chopped onion", "1/3 c. chopped green pepper", "3 Tbsp. oil", "1 tsp. salt", "6 Tbsp. flour", "Cheese Swirls (recipe follows)", "1/2 c. grated cheese", "1 can cream of chicken or mushroom soup", "1 1/2 c. milk", "1 (7 oz.) can tuna", "1 Tbsp. lemon juice"]
["Brown onion and green pepper in oil; add salt and flour. Blend.", "Add soup and milk.", "Cook until sauce is smooth and thick. Add flaked tuna and lemon juice.", "Pour into greased baking dish and cover with Cheese Swirls.", "Bake at 450\u00b0 for 15 minutes.", "Turn oven temperature down to 400\u00b0, and bake 15 more minutes."]
["onion", "green pepper", "oil", "salt", "flour", "Swirls", "grated cheese", "cream of chicken", "milk", "tuna", "lemon juice"]