To make a tenderstem broccoli omelette sushi roll, first you'll need to prepare your ingredients. First, you will need the following ingredients: 2 tablespoons mayonnaise 2 teaspoons kosher salt 2 tbsp. melted butter 1 cup romaine lettuce 2 cups shaved Parmesan cheese 1/2 cup chopped fresh thyme 1/4 cup crumbled feta cheese 1 tablespoon chopped parsley 1 teaspoon sea salt 1/2 teaspoon ground black pepper Toss the ingredients together. Cover the mixture with plastic wrap and refrigerate for at least 30 minutes, or until the lettuce is completely wilted.