Combine the chickpea flour, water, salt and 1 tablespoon olive oil in a large bowl and whisk until a thin batter forms. Allow the batter to rest on the counter for 30 minutes.
Pre-heat the oven to 450 degrees. Place an 8-inch cast iron skillet in the oven for 5 minutes. Remove from oven and pour remaining olive oil into skillet. Turn to coat.
Pour the batter into the hot skillet and bake for 8 minutes.
Allow the Socca to cool slightly, then spread hummus in an even layer. Top with tomato slices, black beans, red onion, olives, artichoke hearts and parsley.