Crock Pot - Polynesian Roast Beef

1 boneless beef top round roast (3-1/4 pounds)
2 tablespoons Browning sauce, optional
1/4 cup all-purpose flour
1 teaspoon salt
1/4 teaspoon pepper
1 medium onion, sliced
1 can (8oz) unsweetened sliced pineapple
1/4 cup packed brown sugar
2 tablespoons cornstarch
1/4 teaspoon ginger
1/2 cup beef broth
1/4 cup soy sauce
1/2 teaspoon minced garlic
1 medium green pepper, sliced

1. Cut roast in half; brush with browining sauce if desired. Combine the flour, salt and pepper; rub over meat. Place onion in 3 qt. slow cooker; top with roast.
2. Drain pineapple, reserving juice; refriderate the pineapple. In a small bowl, combine the brown sugar, cornstarch and ginger; whisk in the broth, soy sauce, garlic and reserved pineapple juice until smooth. Pour over meat. Cover and cook on low for 7-8 hours.
3. Add pineapple and green pepper. Cook 1 hour longer or until meat and green pepper are tender.