ethereally smooth hummus

Name: ethereally smooth hummus
Cuisine: Asian, Middle Eastern
Ingredients: 1 3/4 cups cooked, drained chickpeas (from a 15-ounce can) or a little shy of 2/3 cup dried chickpeas (for same yield); 1/2 teaspoon baking soda (for dried chickpeas only); 1/2 cup tahini paste; 2 tablespoons freshly squeezed lemon juice, or more to taste; 2 small cloves garlic, roughly chopped; 3/4 teaspoon table salt, or more to taste; Approximately 1/4 cup water or reserved chickpea cooking water