Multigrain Sourdough Sandwich Bread

INGREDIENTS

1 1/2 tsp

Diastatic malt, powder

3 2/3 cups

Bread flour, Unbleached

1/2

generous cup Rye flour or pumpernickel flour, whole

5 tsp

Salt

6 1/2 cups

Whole wheat flour, White

4 1/3 cups

Water

all of the levain (above)

1/4 cup

+ 3/4 teaspoon ripe (fed) sourdough starter