Instant Pot Chana Masala

Name: Instant Pot Chana Masala
Ingredients: 1½ tablespoons table salt for brining; 8 ounces (1¼ cups) dried chickpeas , picked over and rinsed; 1 small red onion , three-quarters chopped coarse, one-quarter chopped fine; 10 sprigs fresh cilantro , stems and leaves separated, stems cut into 1-inch lengths; 1 (1½-inch) piece ginger , peeled and chopped coarse; 2 garlic cloves , chopped coarse; 2 serrano chiles , stemmed, halved, seeded, and sliced thin crosswise, divided; 1 (14.5-ounce) can whole peeled tomatoes; 3 tablespoons canola oil; 1 teaspoon paprika; 1 teaspoon ground cumin; 1 teaspoon table salt; ½ teaspoon ground turmeric; ½ teaspoon fennel seeds; 1½ teaspoons garam masala