Lightened Up Slow Cooker Beef Stroganoff

Bahan-bahan (6 porsi)

• 1½ pounds beef chuck steak, (trimmed and cut into ½-inch cubes)
• 16 ounces sliced cremini mushrooms
• 2 small onions, (finely chopped)
• 2 tablespoons tomato paste
• 1 cup low sodium beef broth
• ½ cup white wine
• 4 tablespoons low sodium soy sauce, (divided)
• 1 cup light sour cream
• 2 tablespoons cornstarch
• ¼ teaspoon freshly ground black pepper
• cooked egg noodles, pasta or rice, (for serving)
• chopped fresh Italian parsley, (for garnish (optional))