Falafel and Homemade Tahini Sauce

Name: Falafel and Homemade Tahini Sauce
Cuisine: Asian, Middle Eastern
Ingredients: 1 cup sesame seeds; 1/2 cup olive oil; 1 teaspoon salt; 1 lemon; 4 garlic cloves; 2 Tbsp. water; 1 tablespoon parsley (for topping); 1 pound (about 2 cups) dry chickpeas/garbanzo beans; 1 small onion, roughly chopped; 1/4 cup chopped fresh parsley; 3-5 cloves garlic; 1 1/2 tbsp flour; 1 tsp salt; 1 tsp cumin; 1 tsp ground coriander; 1/4 tsp black pepper; 1/4 tsp cayenne pepper; Pinch of ground cardamom; Vegetable oil for frying (grapeseed, canola, and peanut oil work well)