This Retro Moravian Sugar Cake Recipe Will Fill Your Home With the Scent of Cinnamon Sugar

Name: This Retro Moravian Sugar Cake Recipe Will Fill Your Home With the Scent of Cinnamon Sugar
Ingredients: 1 medium russet potato (about 8 ounces; 226g), peeled and cut into 1-inch pieces; 42g unsalted butter, melted (1 1/2 ounces; 3 tablespoons); 224g all-purpose flour (8 ounces; 1 3/4 cups); 6g (2 teaspoons) instant yeast, see notes; 67g granulated sugar (2 1/3 ounces; 1/3 cup); 1/4 cup (60ml) lukewarm water; 1/4 cup mashed potatoes (2 ounces; 60g), from above (see notes); 1 large egg, at room temperature; 1/2 teaspoon Diamond Crystal kosher salt; for table salt, use half as much by volume; Nonstick cooking spray; 132g light brown sugar (about 4 3/4 ounces; 2/3 cup); 6g (2 teaspoons) ground cinnamon; 70g unsalted butter (about 2 1/2 ounces; 5 tablespoons), melted in a spouted measuring cup