Red Cabbage Stuffed Pork Loin with Bavarian Mustard Sauce

Ingredients

• 3 slices German pumpernickel bread ((8 ounces))
• 3 tbsp unsalted butter
• 1/2 cup onion (diced)
• 2 cloves garlic (minced)
• 1 1/2 cups German barrel red cabbage (well drained)
• 1/2 cup golden raisins
• 3/4 tsp salt (divided)
• 1 tsp freshly ground pepper (divided)
• 1 4lb boneless pork loin roast
• 6 tbsp Bavarian mustard
• 1 1/2 cups canned chicken broth (divided)
• 1/2 cup dry white wine
• 2 tbsp all-purpose flour