Preparation Put oven rack in middle position and preheat oven to 400°F. Toss bread cubes with butter in a 13- by 9-inch baking dish until coated. Purée tomatoes with juice in a blender 5 seconds, then transfer to a small saucepan along with water, brown sugar, tomato paste, salt, and hot sauce. Bring mixture just to a simmer, then pour over bread, stirring to combine. Bake, uncovered, until edges are beginning to caramelize, 35 to 40 minutes.
Preparation Put oven rack in middle position and preheat oven to 400°F. Toss bread cubes with butter in a 13- by 9-inch baking dish until coated. Purée tomatoes with juice in a blender 5 seconds, then transfer to a small saucepan along with water, brown sugar, tomato paste, salt, and hot sauce. Bring mixture just to a simmer, then pour over bread, stirring to combine. Bake, uncovered, until edges are beginning to caramelize, 35 to 40 minutes.