This mouthwatering Spinach Grilled Cheese is a delectable twist on a classic favoriting bringing together tangy sourdough, aromatic onions, dairy-free feta, and vibrant baby spinach, all melted into a golden masterpiece. Pair it with a cozy tomato soup for the perfect comforting lunch or snack.
Heat oil in a medium / large skillet over medium heat. Add the onion and cook for 2-3 minutes until fragrant. Add the garlic and cook for another minute. Add the spinach and drizzle with lemon juice and season salt and black pepper and cook until wilted and soft, about 1-2 minutes. Remove skillet from heat and transfer the spinach to a mixing bowl.