Heat oven to 350°F. In small saucepan, combine broth, garlic and cornstarch; blend well. Bring to a boil, stirring constantly. Remove from heat. Stir in wine.
In large bowl, combine broth mixture and all remaining cassoulet ingredients; stir to combine. Pour into ungreased 2-quart casserole.
Bake at 350°F. for 40 minutes. Remove from oven; remove bay leaves. Top with bread cubes; drizzle with melted butter. Return to oven; bake an additional 10 to 15 minutes or until bread is toasted.