Fullblood Wagyu Beef Stroganoff

Name: Fullblood Wagyu Beef Stroganoff
Ingredients: 1 Double 8 Cattle Company Fullblood Wagyu Top Round Tenderized (sliced thin against the grain); 2 TBSP Grapeseed Oil; 3 TBSP Butter; 2 Shallots (sliced thin); 4 Garlic Cloves (minced); 2 LB Cremini Mushrooms (quartered); 1 CUP Beef Stock; 4 TBSP Brandy; 1 CUP Sour Cream; 2 TBSP Coarse Ground Dijon Mustard; 1 TBSP Paprika; Kosher & Freshly Ground Black Pepper (to season); 1 LB All-purpose Flour; 1 TSP Kosher Salt; 1 TBSP Olive Oil (optional); 2 Eggs; Water; 4 TBSP Butter