Milk Bread

Name: Milk Bread
Ingredients: 5⅓ cups bread flour, divided, plus more for surface; 1 cup heavy cream; ⅓ cup mild honey (such as wildflower or alfalfa); 3 tablespoons nonfat dry milk powder; 2 tablespoons active dry yeast (from about 3 envelopes); 2 tablespoons kosher salt; 3 large eggs; 4 tablespoons (½ stick) unsalted butter, cut into pieces, room temperature; Nonstick vegetable oil spray; Flaky sea salt (optional)