Banana Bread with Dark Chocolate and Walnuts

Name: Banana Bread with Dark Chocolate and Walnuts
Ingredients: 4 black bananas, peeled; 2 large eggs; 4 ounces almond oil (or substitute vegetable); 1/2 cup kefir; 1 teaspoon vanilla extract; 2 cups (heaping) whole wheat pastry flour; 1/2 cup granulated sugar; 1/4 cup dark brown sugar; 3/4 teaspoon baking soda; 1/2 teaspoon fine grain sea salt; 1 teaspoon ground cinnamon; 1/8 teaspoon ground ginger; 1/8 teaspoon ground cloves; 1 cup walnuts, coarsely chopped; 4 ounces dark chocolate (unsweetened), coarsely chopped