Fried Haddock and Waffles

Ingredients

• 2 cups flour
• 1 tbsp baking powder
• 1/2 tsp salt
• 2 tbsp sugar
• 2 egg(s), divided
• 1/3 cup butter, melted
• 1 cup vinegar, apple cider
• 1/2 cup water
• 1/4 cup sugar
• 3 tbsp mustard seeds, yellow
• 6 oz Empire's Treasure® Haddock Filet(s), sliced
• 1/2 cup rice flour
• 1/4 cup flour, all-purpose
• as needed soda water
• maple syrup