Preheat oven to 400 degrees and grease a 10inch oval baking dish
In a large skillet cook onion in a little oil for about 5 minutes or until it starts to golden a bit
Add in the breakfast sausage and cook until fully cooked through
In a large bowl whisk together the eggs, milk and salt and pepper
Add in the bread and mix well then fold in cooked sausage and onions
Pour into the baking dish then sprinkle cheese on top
Bake in oven for 35-40 minutes then serve!
