What sourdough dreams are made of!

Parmesan Rosemary Sourdough Hoagies!

Sourdough has a storied history in Alaska, tracing back to the Gold Rush era of the late 19th and early 20th centuries. During this time, prospectors and settlers flocked to Alaska and the Yukon Territory in search of gold. These hardy individuals, often referred to as “sourdoughs,” relied on sourdough starter as a crucial food source due to its long shelf life and versatility. The name “sourdough” itself became synonymous with these pioneers.

 

Sourdough starter was a practical choice for the harsh conditions of Alaska because it required no commercial yeast, which was difficult to obtain. Instead, the wild yeast and lactobacilli naturally present in the environment fermented the dough, providing leavening and flavor. Many miners and settlers carried a bit of sourdough starter with them, often keeping it close to their bodies to prevent it from freezing.

 

Rumor has it that my very own sourdough starter was handed down from my Great-great Grandfather, Robert Burns Mathison. He settled in Hope, Alaska in the 1890’s and whether he brought it with him or was gifted it when he arrived, my sourdough starter could be over 125 years old at this point!

 

For this recipe you can use either fed sourdough starter or discard. I will be using sourdough discard— the portion of the starter that is typically removed before feeding the remaining starter— this helps reduce food waste in several ways:

 

    1. Maximizing Ingredients: Instead of throwing away the discard, it can be used in various recipes, such as pancakes, waffles, crackers, and even cakes. This practice ensures that all parts of the starter are utilized.

    1. Reducing Waste: By repurposing the discard, home bakers can significantly reduce the amount of food waste generated in their kitchens. This is especially important in an era where minimizing waste is a key component of sustainable living.

    1. Creative Cooking: Using sourdough discard encourages culinary creativity, allowing bakers to experiment with different flavors and textures in their recipes.

 
Ingredients
  • 2 lb Halibut, 6-8 serving size pieces (other whitefish such as Cod, Haddock or Mahi Mahi can easily be substituted for Halibut)
  • 4 tbsp butter
  • 1 medium onion, sliced
  • 1/2 cup white wine
  • 1 cup mayonaisse
  • 1/2 cup sour cream
  • 2 tbsp Dijon mustard
  • 1 tbsp of your favorite multi-use seasoning, I use Traeger Rub (many Alaskan’s love Johnny’s Seasoning Salt)
  • 2 garlic cloves, chopped fine
  • 1/2 cup parmesan, grated plus additional 2 tbsp for panko crumble
  • Salt and Pepper
  • 1/2 cup panko
  • 2 tbsp olive oil
  • 2 tbsp scallions, sliced fine

Instructions
  1. Warm milk in microwave for 20-30 seconds. To warmed milk, add yeast and sugar. Mix thoroughly and let sit for 5 minutes.
  2. To stand mixer, add sourdough starter, oil, egg and warmed milk mixture. Mix until just combined.
  3. Add Flour, salt, granulated garlic and rosemary.
  4. Knead with dough hook for 7-8 minutes. Dough will be sticky.
  5. Oil a large bowl and transfer dough. Cover and place in warm spot for 1 1/2 hours, or until dough has doubled.
  6. On a floured surface, gently divide dough into 6 pieces. Shape to ovals, approximately 6 inches long. Place on parchment lined sheet pan.
  7. Cover and let rise again for 40-45 minutes.
  8. Preheat oven to 375F.
  9. Just before baking, brush with egg wash (1 egg and 2 tsp water, mixed thoroughly).
  10. And top with the Parmesan and Rosemary mixture.
  11. Bake for 20-25 minutes on middle rack until golden brown. Internal temperature should reach between 190F-210F.
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