Newfoundland Jigg's Dinner - Chefwiz

Ingredients

• 1 (3 lb) boneless brisket of corned beef
• 1 ½ cups yellow split peas
• 1 large head of cabbage (, cut into quarters)
• 1 medium turnip (, peeled and diced)
• 6 carrots (, peeled and cut into chunks)
• 6 large potatoes (, peeled and quartered)
• 2 tablespoons butter
• ½ teaspoon black pepper
• 1 ½ cups all-purpose flour
• 2 teaspoons white sugar
• 2 teaspoons baking powder
• ¾ cup water (, or as needed)