Carnivor Wines | Steak Sandwhiches with Grilled Onions & Horseradish Recipe | Red Wine

Ingredients

• 2 cups Carnivor Zinfandel
• 1 cup soy sauce
• ¼ cup balsamic vinegar
• 3 tablespoons brown sugar
• 1 tablespoon finely chopped garlic
• 1 teaspoon freshly ground black pepper
• ½ cup extra-virgin olive oil
• ½ teaspoon baking soda
• 4 New York strip steaks, each about 12 ounces and 1 inch thick
• 2 red onions, sliced into 1⁄4-inch rings
• ½ cup sour cream
• ¼ cup prepared horseradish
• 1 teaspoon finely chopped fresh thyme
• Kosher salt
• Freshly ground black pepper
• 4 French rolls
• 2 bunches watercress, trimmed and rinsed