Crustless quiche makes a great alternative to traditional quiche, because you get all the flavor and nutrition of the filling without the extra calories, grains and carbs from the crust. Even gluten-free crusts are often high in carbs and not very healthy.
This Individual Crustless Quiche recipe from @benniferobins in her book 'Paleo Cooking with Your Instant Pot' looks amazing! AND ... "make them ahead of time for the week and grab one in the morning, no labor required," says Jennifer. "To reheat, just toss one in your toaster oven for a cycle and a good solid breakfast is ready in minutes."