Beef And Beer

Ingredients

• 4 pounds beef chuck boneless
• 12 each mushrooms cut into chunks
• 1 x salt
• 1 x black pepper
• 1 1/2 each beer can
• 2 each onions thinly sliced
• 1 1/2 tablespoon ketchup
• 2 each sweet bell peppers green, sliced
• 1 tablespoon prepared mustard prepared