Sunflower Caesar Salad

Name: Sunflower Caesar Salad
Ingredients: 1/2 cup roasted sunflower seed kernels; 1 garlic clove, peeled, or more to taste; 3 tablespoons drained capers; 1 rounded tablespoon Dijon mustard; 1/4 cup lemon juice; 1 1/2 teaspoons soy sauce; 2 teaspoons Worcestershire sauce; 1/3 cup grated Parmigiano Reggiano cheese (or 3 tablespoons nutritional yeast for vegan version); 1 1/2 teaspoons freshly ground black pepper; 3 tablespoons sunflower oil; 1/3 cup water; salt to taste; 8 cups chopped romaine; 2 cups little gem lettuce; 1 1/2 cups sunflower sprouts; 1/4 cup roasted sunflowers kernels; 1/2 cup sunflower petals, optional