Smoked Salmon Frittata

"This Smoked Salmon Frittata is a simple recipe that’s perfect for breakfast or brunch. Loaded with smoked salmon, feta cheese, red onions, and spinach, this dish is ready in no time and packed with flavor! It’s made in one skillet, with a base of eggs. It’s similar to a crustless quiche, but is more like a baked omelet, as it’s cooked in the oven. And you can a lot of different ingredients, such as veggies, meats, and cheeses…the possibilities are endless. "