Slow-Cooker So-Easy Sloppy Joes
Ingredients: 3 lb. lean ground beef 1 cup chopped onions 1 cup chopped celery 1/2 cup chopped green bell pepper 1 (12-oz.) bottle chili sauce 1 (6-oz.) can tomato paste 2 to 3 tablespoons brown sugar 2 tablespoons Worcestershire sauce 1/4 teaspoon pepper 16 sandwich buns, split