Rib Eye Steak with Onion Truffle Jam and Truffle Mashed Potatoes - Kosher.com

Ingredients

• 3-inch rib eye steak
• 2 tablespoons Tuscanini Olive Oil
• kosher salt
• butchers black pepper (coarse black pepper)
• 1 sprig rosemary
• 2 cloves garlic
• 4 shallots, thinly sliced
• salt, as needed
• 2 tablespoons non-dairy butter substitute (such as Earth Balance)
• 2 tablespoons fresh tarragon, chopped
• 8 peppercorns
• 1/2 cup sweet white wine
• 1 tablespoon Tuscanini Truffle Sauce
• 2 tablespoons truffle oil
• pinch of truffle salt
• 3 pounds Yukon gold potatoes
• 1 teaspoon kosher salt, for seasoning the water
• 1 tablespoon Earth Balance, room temperature
• 2 teaspoons truffle zest
• 1 tablespoon truffle oil
• 2 teaspoons truffle salt
• finely chopped chives to finish (optional)