Slow Cooker Caramelized-Onion Pot Roast Recipe | Say Mmm

Ingredients

• 1 boneless beef chuck roast (4 lb)
• 1 tablespoon olive or vegetable oil
• 1 teaspoon salt
• 1/2 teaspoon pepper
• 6 medium onions, sliced
• 1 1/2 cups Progresso beef flavored broth (from 32 oz carton)
• 3/4 cup regular or nonalcoholic beer
• 2 tablespoons packed brown sugar
• 3 tablespoons Dijon mustard
• 2 tablespoons cider vinegar