Make-Ahead Aloo Gobi

Ingredients

• 1 tablespoon coconut oil
• 1 onion, minced
• 1 head cauliflower, cut into florets (about 4 cups)
• 2 large russet potatoes, peeled and diced
• 1 teaspoon ground cumin
• 1 teaspoon ground coriander
• 1 teaspoon garam masala
• ½ teaspoon ground mustard seed
• ½ teaspoon turmeric
• ½ teaspoon chili powder, or more to taste
• Kosher salt and freshly ground black pepper
• 4 small pieces Naan, for serving
• ½ cup cilantro leaves
• ½ red onion, thinly sliced
• Lemon wedges, for serving