Creamy Potato Sticks

*5-6 large potatoes In a saucepan, combine flour and salt; gradually whisk in milk until smooth. Bring to a boil; cook and stir for 2 minutes. Remove from the heat; whisk in soup and cheese until smooth. Set aside. Cut potatoes into 4-in.x 1/2 in. x1/2 in. sticks; place in a greased 13-in. x 9-in. x 2-in. baking dish. Sprinkle with onion. Top with cheese sauce. Bake, uncovered, at 350F for 55-60 minutes or until potatoes are tender. Sprinkle with paprika. Yield: 6 servings.