Preparation

1 Pre-heat oven to 350°F. Place bread cubes in 8-inch square baking dish. Sprinkle grapes over bread cubes and toss gently to disperse grapes. In medium-sized bowl, combine remaining ingredients and whisk until smooth.
2 Pour custard mixture over bread cubes. Stir gently, pressing down on any bread cubes that pop up out of the custard mixture. Set bread pudding pan into a larger pan, such as a 9x13-inch pan, or a roaster.
3 Place doubled pan into pre-heated oven, then pour very hot tap water into the outside pan, filling it at least half way. (This is called a hot water bath and will make the pudding creamier.) Bake for 50 minutes to 1 hour.
4 Top of pudding should be golden in spots and lightly puffed. Remove from oven, let cool slightly then serve. Top with brown sugar whipped cream if desired.