Creamy Pico de Gallo with Cabbage

Name: Creamy Pico de Gallo with Cabbage
Prep time: 20 min
Total time: 20 min
Cuisine: Mexican
Ingredients: 3 cups green cabbage (finely chopped (about 1/2 small head cabbage)); 6 roma tomatoes (small dice); 4 jalapeños (cored and finely diced); 1/2 white onion (fine dice); 1/2 bunch cilantro (finely chopped (~1/2 cup)); 1 avocado; 1 jalapeño (cored and de-seeded); 1/4 bunch cilantro (roughly chopped); 1/2 teaspoon cumin (optional); 1/2 teaspoon salt; juice of 2 limes; 1 tablespoon avocado oil (optional, for a smoother dressing); 1/3 cup water (plus more as necessary)