Fullblood Wagyu Shredded Beef and Caramelized Onion Knish

Ingredients

• 1 PACKAGE Double 8 Cattle Company Fullblood Wagyu Pulled Beef (pre-cooked)
• 2 Large Yellow Onions (julienned)
• 2 OZ Butter
• 5 Medium Size Yukon Gold Potatoes (peeled and medium diced)
• 1 BUNCH Chives (minced)
• 1 CUP Dry Sherry (divided)
• 8 OZ Cream Cheese
• Kosher Salt (to taste)
• Freshly Ground Black Pepper (to taste)
• 2 1/4 CUP All-Purpose Flour (plus more for rolling out the dough)
• 1 TSP Baking Powder
• 1/2 TSP Kosher Salt
• 1 Large Egg (lightly beaten)
• 8 TBSP Unsalted Butter (melted and cooled)
• 1 TSP Distilled White Vinegar
• 1/2 CUP Lukewarm Water
• 2 Whole Eggs
• 1 TBSP Water
• Dried Onions
• Poppy Seeds
• Sesame Seeds