Slow Cooker French Dip Sandwiches

Bahan-bahan (8 porsi)

• 1 tablespoon vegetable oil (or any neutral oil with high smoke point)
• 3 to 4 pound chuck roast*
• 1 and 1/2 teaspoons kosher salt (use 1 teaspoon if you have table salt)
• 1 teaspoon black pepper
• 2 and 1/2 cups water
• 1/4 cup sherry wine
• 1 tablespoon Better Than Bouillon Beef Base
• 1 bay leaf
• 2 (1 oz) packets dry onion soup mix
• 1/2 teaspoon dried thyme (or 1 sprig fresh thyme)
• 1/2 teaspoon dried rosemary (or 1 sprig fresh rosemary)
• 6 to 8 crusty rolls (something that crisps up well, like ciabatta, good quality sub rolls, etc)
• 1/2 cup butter (softened (optional))
• 1/2 teaspoon garlic powder ((optional))
• 16 ounces provolone cheese (sliced (or monterey jack or mozzarella))
• 1 batch Horseradish Sauce