Slow-Cooker Classic Beef Chili

Ingredients

• 2 slices hearty white sandwich bread, torn into 1-inch pieces
• 1/4 cup whole milk
• Salt
• pepper
• 2 pounds 85 percent lean ground beef
• 3 tablespoons vegetable oil
• 3 onions, chopped fine
• 1/4 cup chili powder
• 1/4 cup tomato paste
• 6 garlic cloves, minced
• 1 tablespoon ground cumin
• 3/4 teaspoon dried oregano
• 1/2 teaspoon red pepper flakes
• 1 (28-ounce) can tomato puree
• 1 (28-ounce) can diced tomatoes
• 2 (15-ounce) cans red kidney beans, rinsed
• 3 tablespoons soy sauce
• 1 tablespoon packed brown sugar
• 2 teaspoons minced canned chipotle chile in adobo sauce