Whole Wheat and Steel-Cut Oats Bread - A Long-Fermentation Bread

Ingredients (14)

• + 2 cups steel-cut oats add to pantry
• ✓ 5 cups bread flour
• + 4 cups whole wheat flour add to pantry
• + ¾ cup nonfat dry milk powder add to pantry
• + 6 tablespoons coconut sugar add to pantry
• + 3 tablespoons vital wheat gluten add to pantry
• ✓ 2 tablespoons kosher salt
• + 2 tablespoons flax seeds, crushed add to pantry
• + ¾ teaspoon active dry yeast add to pantry
• + 5 cups water add to pantry
• ✓ 6 tablespoons vegetable oil
• + 3 tablespoons raw apple cider vinegar (such as Bragg®) add to pantry
• + 2 tablespoons all-purpose flour, or as needed add to pantry
• + 1 egg add to pantry