Barbeque Shredded Beef

Ingredients

• 1 cup chopped onion, or more to taste
• 1 (15 ounce) can tomato sauce
• 1/4 cup brown sugar
• 2 tablespoons vinegar
• 4 teaspoons chili powder
• 1 teaspoon soy sauce
• 1 teaspoon salt
• 1/2 teaspoon dry mustard
• 1 1/2 pounds boneless beef chuck roast

Directions

Stir onion, tomato sauce, brown sugar, vinegar, chili powder, soy sauce, salt, and mustard together in a slow cooker; add roast. Spoon onion mixture over the beef to coat.

Cook on High for 7 hours. Shred meat in slow cooker with a pair of forks. Continue cooking 1 hour more.