1−1/2 cups diced processed American cheese
1 cup milk
1 tablespoon Worcestershire sauce
1 tablespoon all−purpose flour
1 teaspoon ground mustard
1−1/2 cups shredded Cheddar cheese
1 (14 ounce) can artichoke hearts, drained and chopped
1/4 cup roasted red peppers, drained and diced