Beef and Pork Barbecue

This is from the Pillsbury website, but oh so good.

• Ready In: 8 hrs 10 mins
• Yields: 12 sandwiches

Ingredients

• 1 1⁄2 lbs boneless beef chuck or 1 1⁄2 lbs  arm roast, trimmed and cut into 2 inch pieces
• 1 1⁄2 lbs boneless pork loin or 1 1⁄2 lbs  pork shoulder, trimmed and cut into 3 inch pieces
• 1 1⁄2 cups  chopped onions
• 1  medium green bell pepper, chopped
• 1⁄2 cup  firmly packed brown sugar
• 1  teaspoon salt
• 1  teaspoon dry mustard
• 3  teaspoons chili powder
• 1⁄4 cup vinegar
• 2  teaspoons Worcestershire sauce
• 1 (6 ounce) can tomato paste
• 12  sandwich buns, split

Directions

1. In 3 1/2 to 4 quart slow cooker, combine all ingredients except tomato paste and buns.
2. Cover and cook on low setting for 8-10 hours.
3. With slotted spoon, remove meat from slow cooker. Shred meat with 2 forks; return to slow cooker and stir in tomato paste.
4. Cover, cook on high for 5-10 min or until hot. To serve, spoon about 1/2 mixture into each bun.