Chicken Biryani Spiced with Saigon Cinnamon

Name: Chicken Biryani Spiced with Saigon Cinnamon
Ingredients: 1 cup basmati rice; 3 tbsp. canola oil; 2 tsp. whole coriander; 3 chiles de arbol, crumbled by hand; 1 1⁄2 tbsp. kosher salt; 2 1⁄2 tsp. ground Saigon cinnamon; 6 cloves garlic, finely chopped; 4 skinless, bone-in chicken thighs; 4 skinless, bone-in chicken legs; 1 large yellow onion, chopped; 1 (2″) piece ginger, roughly chopped; 1 jalapeno, stemmed, seeded and finely chopped; 1⁄4 cup toasted sliced almonds, for garnish; Fried shallots, for garnish; Cilantro leaves, for garnish