Preheat oven to 350 degrees Fahrenheit and lightly grease a 9x13 casserole dish
Slice biscuits into quarters and evenly distribute in the casserole dish
Cook the turkey sausage until browned. leave in pan once done cooking.
In a separate pan, melt butter over medium high heat. stir in the flour (it will be clumpy). slowly whisk in the milk 2 tablespoons at a time. once all milk has been added, continue whisking until it thickens. remove from heat and stir in seasonings. add the finished roux over the cooked meat.
In a mixing bowl, whisk the egg whites and eggs.
Evenly distribute the egg mixture and gravy mixture over the biscuits.
Bake in the oven for 35-40 minutes (until eggs are set).
Cool and slice into 6 servings.
