We love to use breakfast casseroles and or frittatas for holiday breakfast options, but since they can be prepared or made ahead and reheated,  they are also a nutritious option for mornings on the run.  While this is a good base recipe, we tend to switch it up a bit by varying the vegetables, meat, and herbs used.  It is important to note that some may be sensitive to bacon due to the glutamate risk (read below), but I have also included a homemade breakfast sausage recipe for those looking to keep the risk lower. Ingredients 1+ [...]