Heat oven to 400°F. In medium bowl, mix artichokes, mayonnaise and 2 cups of the cheese. Spread mixture in ungreased 13x9-inch (3-quart) glass baking dish.
In small bowl, mix remaining 1/2 cup cheese and the bread crumbs; sprinkle over artichoke mixture.
Bake 10 to 12 minutes or until thoroughly heated. Garnish with red bell pepper and parsley. Serve dip with melba toast rounds.