2 cups canned chickpeas (aka garbanzos or butt-beans), drained, rinsed, and puréed
1 teaspoon baking soda
2 teaspoons salt
1 to 2 cloves garlic, minced
3/4 cup lemon juice (use real lemon juice, not that fake stuff!)
1/2 cup tahini (sesame seed paste; you can get this at health food stores)