Potato Bread Recipe - How To Make Potato Bread

Ingredients

• 1 1/4 lukewarm water (or reserved potato boiling water)
• 2 tbsp. plus 1 tsp. granulated sugar, divided
• 1 (.25-oz.) packet active dry yeast
• 5 c. all-purpose flour
• 1 c. boiled, mashed potato (from about 1 large russet potato)
• 2 tsp. kosher salt
• 6 tbsp. butter, softened, plus more for pans
• Cooking spray or extra-virgin olive oil
• 2 tbsp. melted butter
• Flaky sea salt (optional)