Pork Schnitzel

Ingredients

• 3 cups all-purpose flour
• Salt and pepper, to taste
• 4 eggs
• 1 cup sour cream
• 1/4 teaspoon grated nutmeg
• 1/4 teaspoon grated mace
• 4 cups panko, pulsed for a few seconds in food processor until regular breadcrumbs
• 1 cup of grated parmesan cheese
• 4 large pork schnitzels (loin cutlets), pounded ¼ inch (6mm) thick
• 1/4 cup canola oil
• 1 Tbsp unsalted butter
• 1.5 pounds button mushrooms, thinly sliced
• 1.5 cups veal or beef stock
• 100 ml white wine
• 2 branches rosemary
• 2 large onions, thinly sliced