Southwestern Cole Slaw with Avocado Dressing and Pepitas

big, ripe Haas avocado, peeled and cubed

buttermilk

mayonnaise (like Hellmann's Canola)

small garlic clove, chopped

fresh lime juice

white wine vinegar

fresh cilantro, chopped

coarse salt and fresh black pepper

heaping tablespoons pepitas (pumpkin seeds)

shredded cabbage (pre-bagged cole slaw mix is ok)

cooked corn

cooked black beans

fresh tomatoes, diced small

red onion, diced small

jalapeno, ribs and seeds removed, diced (optional)