Preparation Purée tomatoes in a blender. Cook onion and garlic in butter in a 12-inch heavy skillet over medium-high heat, stirring occasionally, until onion begins to brown, 4 to 5 minutes. Add carrot, celery, and 1/2 teaspoon salt and cook, stirring occasionally, until vegetables are softened, 4 to 5 minutes. Add beef and brown, stirring to break up lumps, 5 to 6 minutes. Add chili powder, cumin, 1/2 teaspoon salt, and 3/4 teaspoon pepper and cook, stirring, 2 minutes. Add puréed tomatoes, wine, Worcestershire sauce, and brown sugar and boil, stirring occasionally, until sauce has thickened, about 6 minutes. Season with salt and sandwich inside rolls.
Preparation Purée tomatoes in a blender. Cook onion and garlic in butter in a 12-inch heavy skillet over medium-high heat, stirring occasionally, until onion begins to brown, 4 to 5 minutes. Add carrot, celery, and 1/2 teaspoon salt and cook, stirring occasionally, until vegetables are softened, 4 to 5 minutes. Add beef and brown, stirring to break up lumps, 5 to 6 minutes. Add chili powder, cumin, 1/2 teaspoon salt, and 3/4 teaspoon pepper and cook, stirring, 2 minutes. Add puréed tomatoes, wine, Worcestershire sauce, and brown sugar and boil, stirring occasionally, until sauce has thickened, about 6 minutes. Season with salt and sandwich inside rolls.