Mocha-Apple Cake with Browned Butter Frosting

INGREDIENTS

• 1 cup chopped pecans
• 1 cup sugar
• 1 cup canola oil
• 2 large eggs
• 1 tablespoon instant coffee granules
• 1 teaspoon vanilla extract
• 3 cups all-purpose flour
• 2 teaspoons baking powder
• 1 teaspoon ground cinnamon
• 1 teaspoon ground nutmeg
• 1/2 teaspoon salt
• 4 cups peeled and diced Granny Smith apples (about 2 lb.)
• 2 (2.6-oz.) milk chocolate candy bars, chopped