Potato Apple Kugel

Ingredients

• 3 tablespoons vegetable oil
• 3 pounds russet potatoes, peeled, cut into 1" cubes
• 1 pound onions, peeled, cut into 1" cubes
• 1/3 cup matzo meal
• 1/4 cup chopped chives
• 3 eggs
• 2 teaspoons salt
• 1-1/2 teaspoons pepper
• 1 12-ounce golden delicious apple, peeled, cored, grated