The Fluffiest Whole Wheat Sandwich Loaf

INGREDIENTS

1 1/8 cups

warm buttermilk (or regular milk mixed with 1 tsp. lemon juice)

1 tbsp

olive oil

1 tbsp

sugar

1 1/4 tsp

active dry yeast

2 cups

bread flour (divided)

3/4 cup

whole wheat flour (divided)

1 tbsp

ground flax seed

1/2 tbsp

salt

cornmeal, for sprinkling