In a Dutch oven combine the carrot, curry powder, and paprika. Cook and stir over medium heat for 2 minutes. Stir in milk. Cook, uncovered, for 4 to 5 minutes or just until milk is hot but not boiling, stirring occasionally. Gradually whisk in mashed potatoes. Cook and stir until hot and bubbly. Stir in the cheese and flour. Cook and stir about 2 minutes or just until cheese melts.