This Southwest Frittata recipe is easy and flavorful! It's made with eggs that are baked in a cast iron skillet with roasted sweet potatoes that are flavored with cumin and chili powder, garlic, onions, bell peppers, spinach, and cheese. This frittata is great served for breakfast, brunch, lunch, or dinner! It's perfect topped with salsa, avocadoes, and fresh cilantro. This frittata is gluten free and makes a healthy meal that can be enjoyed any time of the day on its own or served with a side.