Fish Chowder

Ingredients

• 1 lb. fresh whitefish (any mild variety)
• 1 large onion, sliced into bite size pieces
• 1 can tomato soup
• 3 Tbsp. flour
• 2 c. milk
• 2 Tbsp. ketchup
• 3 Tbsp. parsley
• 2 cans sliced potatoes
• 1 bottle clam juice
• 3 Tbsp. butter (more, if needed)
• 3/4 lb. shredded cheese
• 1/2 tsp. dry mustard
• 1 large can tomatoes (with juice)
• salt and pepper