Banana Bread with Muscovado and Chocolate

Name: Banana Bread with Muscovado and Chocolate
Cuisine: American
Ingredients: 2 cups (250 grams) all-purpose flour; 2 teaspoons baking powder; A three-finger pinch of kosher salt; 1/2 cup (1 stick, or 125 grams) unsalted butter, at room temperature; 1 cup plus 1 tablespoon (235 grams) muscovado sugar; 14 ounces (400 grams) ripe bananas (peeled weight), or about 3 medium bananas; 1 teaspoon vanilla extract; 2 large eggs; 3 1/2 ounces (100 grams) dark chocolate, chopped to the size of fine gravel