This chickpea salad is creamy, crunchy, and loaded with flavors of dill, celery, and lemon. Not to mention, it comes together in less than 20 minutes!
In a large bowl, mash the chickpeas with the back of the fork until almost no whole chickpeas remain (a few whole ones is ok).
Add the rest of the ingredients and mix until well combined and creamy. Adjust salt and pepper to taste.
Heat a cast-iron skillet over medium-high. Add 2 tsp olive oil. Add bread slices and toast until golden brown on one side. Drizzle the exposed side with a bit of olive oil, flip, and toast other side until golden brown.
Top sourdough bread with fresh arugula, about ⅓ cup chickpea salad (or to preference), and pickled red onion. Eat open-faced or as a sandwich!