Split Pea Meatballs with Pistachio Yogurt

Name: Split Pea Meatballs with Pistachio Yogurt
Ingredients: For the Pistachio Yogurt; 1/2 cup shelled pistachios (roasted, unsalted); 1/2 cup water; 3/4 teaspoon salt; 3/4 teaspoon ground cumin; Juice of 1 lime; 1/4 teaspoon chili powder; 1/2 cup Greek yogurt; For the Split Pea “Meatballs”; Olive oil; 1 medium onion, finely diced; 4 cloves garlic, minced; 1/2 cup yellow split peas; 2 cups water; 1/4 cup basmati rice; 3/4 teaspoon cinnamon; 1/2 teaspoon turmeric; 1 teaspoon ground coriander; 1 teaspoon chili powder; 3/4 teaspoon sumac; 1 teaspoon salt; Juice of 2 limes; 1/2 cup roughly chopped fresh parsley leaves, plus extra for garnish; 1/2 cup roughly chopped fresh cilantro leaves, plus extra for garnish; 3 egg yolks; 2 tablespoons all-purpose flour; Pomegranate molasses, for garnish