Mushroom, Apple, and Potato Cake Recipe | Epicurious

Ingredients

• 3 tablespoons olive oil
• 1 lb portobello and/or cremini mushrooms, stems discarded and caps chopped
• 1 medium onion, finely chopped
• 1 Granny Smith or other tart apple
• 1 teaspoon chopped fresh thyme
• 1 teaspoon salt
• 3/4 teaspoon black pepper
• 1 lb yellow-fleshed potatoes such as Yukon Gold