Cheesy Crab Soup

Name: Cheesy Crab Soup
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American
Ingredients: 1/4 cup butter; 1 small white onion, chopped; 2 celery ribs, chopped; 1/4 cup flour; 4 cups milk; 2 teaspoons Worcestershire sauce; 1 teaspoon dry mustard; 1/2 teaspoon pepper; 1/8 teaspoon paprika; 1/8 teaspoon chili powder; 1 cup frozen corn, thawed; 1 (14 1/2 ounce) can diced tomatoes, drained; 12 -16 ounces fresh lump crabmeat (I usually use a full pound); 2 1/2 cups shredded sharp cheddar cheese (or mild cheddar); salt, if needed, to taste; 2 tablespoons chopped parsley