Chocolate Chunk Chai Banana Bread

Name: Chocolate Chunk Chai Banana Bread
Prep time: 25 min
Cook time: 1 h
Total time: 1 h 25 min
Cuisine: American
Ingredients: 4 teaspoons ground cinnamon; 2 teaspoons ground ginger; 1 teaspoon ground cardamom; 1/2 teaspoon freshly grated nutmeg; 1/2 teaspoon all-spice; 1/2 teaspoon ground cloves; 1/8 teaspoon ground black pepper; 4 overly ripe bananas, mashed ((1 1/4 cup mashed)); 1/4 cup melted coconut oil; 1/4 cup pure maple syrup; 2 eggs; 2 teaspoons vanilla extract; 1 1/2 cups whole wheat pastry flour, or all-purpose flour; 1 1/2 teaspoons baking soda; 1/2 teaspoon kosher salt; 1 cup semi-sweet or dark chocolate chunks; 6 tablespoons salted butter; 1/4 cup maple syrup