If you’re after a healthy, savoury snack to tide you over between meals, then this delicious slice is what your looking for. This low-carb snack is ideal if the grandkids are hungry after school because it’s super high in protein thanks to all of the eggs plus it’s an incredibly easy and delicious way to sneak veggies into their diet. While this recipe doesn’t call for any extra ingredients, feel free to add in grated carrots, feta or even eggplant to mix up the flavour. Not to mention it only takes 15 minutes prep time before it can be left to cook in the oven. The best part about this slice is you can enjoy it fresh or you can pop it in an airtight container and freeze it for up to two months to enjoy later.