Sourdough Onion Rye Abm

Sourdough onion rye is the bread machine workaround for proper deli rye. Half a cup of sourdough starter carries the tang, while a blend of whole wheat and rye flours builds that signature dark, dense crumb. Diced onion melts into the dough during the bake, releasing sweetness and a faint allium aroma in every slice.

The rye-and-whole-wheat combination is naturally short on gluten, so two tablespoons of vital wheat gluten get added back in. Skip that step and the loaf falls flat instead of rising properly.

Caraway is the classic choice for rye, but the recipe offers star anise as an alternative for a sweeter, more licorice-leaning bread that pairs well with smoked meats.

Pro Tips

• Use an active, bubbly starter at peak rise. A sleepy starter gives a flat loaf with no tang.
• Sauté the onion first if you want even sweeter flavor and to prevent the raw bite from lingering, raw diced onion mellows but doesn’t fully cook in the loaf.
• Use light or medium rye flour, not pumpernickel-dark. Dark rye is heavier and can drag the loaf down without more gluten.
• Cool fully on a rack before slicing. Rye breads always benefit from a rest, the texture firms and the flavors marry overnight.

Variations

• Skip the onion and add a quarter cup of toasted sunflower or pumpkin seeds for a Scandinavian-style loaf.
• Use molasses instead of honey for a deeper, darker pumpernickel-leaning bread.
• Stir in two tablespoons of unsweetened cocoa powder for a true pumpernickel color and earthy flavor.