Paté and Tater Tots Sandwich Recipe

Ingredients (9)

• 1 tablespoon whole grain mustard
• 2 teaspoons champagne vinegar
• 2 teaspoons extra-virgin olive oil
• Kosher salt and freshly ground black pepper
• 1/2 shallot, thinly sliced
• 4 (5-inch long) pieces baguette, split in half
• 2 ounces paté
• 24 tater tots, cooked according to package directions
• 1 1/2 cups loosely packed greens (such as arugula or baby kale)