Potato Waffle Sandwiches with Herbed Tofu Cream

Name: Potato Waffle Sandwiches with Herbed Tofu Cream
Ingredients: 1 12 oz. package soft silken tofu; ½ cup chopped scallions; ¼ cup fresh chives; ¼ cup fresh parsley; 5 tablespoons lemon juice; 2 tablespoons chopped fresh thyme; 2 tablespoons chopped fresh oregano; 1 tablespoon chopped fresh sage; 2 small cloves garlic, minced; 2 pounds Yukon gold potatoes, coarsely grated (8 cups); ½ cup whole wheat bread crumbs; ½ cup unsweetened, unflavored plant milk, such as almond, soy, cashew, or rice; ¼ cup brown rice flour; ¼ cup flaxseed meal; 1 teaspoon regular or sodium-free baking powder; ½ teaspoon sea salt; ¼ teaspoon freshly ground black pepper; 1 large tomato, thinly sliced; 4 to 8 leaves romaine lettuce; Hot sauce (optional)