Makes about 2.5 cups

Ingredients:
½ large ripe avocado
1 15½-ounce can chickpeas, rinsed, drained
⅓cup tahini, well mixed
¼ cup plus 1 tablespoon fresh lime juice
1 garlic clove, finely grated or smashed to a paste with flat side of knife on cutting board
¾ teaspoon (or more) kosher salt
10 cranks freshly ground black pepper
¼ teaspoon ground cumin
1 cup cilantro leaves with tender stems
2 tablespoons olive oil, plus more for drizzling
Toasted pumpkin seeds (pepitas; for serving)