Pesto is one of my favourite ways to liven up meal times since it's so flavourful! Leftover pesto will keep well for up to 2 weeks in an airtight container in the fridge. Use it in these other pesto recipes including: Healthy Breakfast Sandwiches with Pesto Pesto Chicken Burgers Pesto Chicken Spaghetti Squash Crustless Asparagus Quiche