2 14-oz. cans sweetened condensed milk
1 1-lb. day-old loaf French bread, cut into 1-inch cubes
8 ounces semisweet chocolate, finely chopped
1 cup packed light brown sugar
1/2 cup sugar
1/2 cup unsweetened cocoa
1/4 teaspoon salt
2 cups whole milk
1 1/2 cups half-and-half
6 large eggs, beaten
1 teaspoon instant espresso powder
1 tablespoon vanilla extract