Heat oven to 350 degrees. Spray 13x9 inches glass baking dish with cooking spray. Cook and drain pasta as directed.
In 4-quart saucepan, melt 1/2 cup butter over low heat. Add garlic; cook 30 seconds, stirring frequently. With wire wisk, stir in flour and salt until smooth. Increase heat to medium; cook stirring constantly, until mixture is smooth and bubbly. Stir in milk. Heat to boiling, stirring constantly. Stir in cheeses. Cook until melted. Stir pasta and parsley into cheese. Pour mixture into baking dish.
In skillet, melt 1 tablespoons butter over medium-high heat; stir in bread crumbs. Book until the crumbs are golden brown. Sprinkle over pasta mixture.