Think of it like planning a dinner party - if you invite 10 friends over, but only have enough food for 5, you'll be in trouble. Similarly, if you have a slow cooker that's too small, you'll end up with a meal that's lacking, and if it's too big, you'll be wasting energy and potentially ending up with a soggy mess. So, it's all about finding that goldilocks zone - not too big, not too small, but just right.
For example, if you're cooking for a small family of 2-3 people, a 2-3 quart slow cooker is probably the way to go. But, if you're feeding a crowd of 6-8 people, you'll want to opt for a 5-6 quart slow cooker. And, if you're somewhere in between, well, you get the idea - it's all about scaling up or down to meet your needs.
The Best Slow Cooker for All Family Sizes - Review of the most
Now, you might be thinking, "but what about all the recipes I see online that say 'use a 6 quart slow cooker'?" Don't worry, those recipes can usually be adapted to fit your slow cooker size. It's like trying to fit a puzzle piece into place - you might need to do a little tweaking, but it'll all come together in the end.