Another tasty dish from the Pioneer Woman is Spinach Mushroom Quiche, made with olive oil, sliced button mushrooms, minced garlic, chopped fresh thyme, Gruyere cheese, and large eggs. It takes around 1 hour and 40 minutes to prepare and bake, serving 6 to 8 people. Serve your Spinach Mushroom Quiche with a light Arugula Salad, fresh fruit, and Roasted Duck Fat Potatoes.