Mushroom Soup with Ham - Easy and Delicious Recipe from USA

Ingredients

• 1 ham bone
• 2 qt (1.89 liter) water
• 2 ribs of celery , sliced
• 1 large onion , quartered
• 1 bay leaf
• 1 x 10.75 oz (305 g) can condensed cream of mushroom soup
• 1 cup uncooked rice
• 1 tsp salt
• 0.25 tsp ground black pepper
• 1 x 4 oz (113 g) can sliced mushrooms , drained
• 2 tbsp butter or margarine
• 1 tbsp chopped fresh parsley
• 2 tsp prepared mustard