Soba noodles with green avocado sauce, tempeh, and cabbage-tatsoi stir fry The sauce includes the following, thrown in a blender until creamy: 1 overripe avocado, splash of soy sauce, rice vinegar, and sesame oil, squirt of gojuchang, bit of green onion, handful of torn spinach leaves (to amp up the green), and a little water….