Instant Pot Chili Verde

Ingredients

• 1 1/2 pounds tomatillos
• 3 poblano chilis
• 2 jalapeños
• 1 yellow onion large
• 1 head garlic
• 3 tablespoons olive oil divided
• 3 1/2 pounds pork chunked
• 1 tablespoon salt
• 1 tablespoon black pepper
• 1/4 cup all purpose flour
• 1 1/2 cups chicken broth
• 1 1/2 teaspoons cumin powder
• 1 1/2 teaspoons corriander ground
• 1 tablespoon dried oregano
• 1/3 cup cilantro leaves
• 1/4 cup purslane chopped