Chocolate Pear Cake

Ingredients

• 1 1/2 cups all-purpose flour
• 1 1/2 cups light brown sugar
• 1/2 cup cocoa
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 2 large eggs
• 1/2 cup plain yogurt
• 1/2 cup canola oil
• 2 teaspoons vanilla
• 2 cups chopped unpeeled pears, about 2 small
• Powdered sugar