Because the cooking environment is moist, bacon can remain soft and chewy.
Better approach:
Cook the bacon separately until crisp, then crumble it over the finished dish.
You’ll get the smoky flavor and the texture you’re looking for.
10. Skin-On Chicken
If you’re hoping for golden, crispy chicken skin, the slow cooker isn’t the right tool.
The trapped steam inside the cooker prevents the skin from becoming crisp and browned. Instead, it can become soft and rubbery.
Better approach:
Remove the skin before slow cooking, or finish the cooked chicken under a broiler or in an oven if your recipe allows it.
11. Dried Kidney Beans Without Proper Preparation
This is another food-safety issue that deserves special attention.
Raw kidney beans contain a naturally occurring toxin called phytohaemagglutinin. Proper boiling is needed to reduce it to safe levels.
A slow cooker may not reach the conditions needed to reliably destroy the toxin when dry beans are cooked from raw.
Better approach:
Follow established preparation guidance for dried kidney beans—typically soaking as appropriate and boiling them vigorously before using them in a slow-cooked dish.
Canned beans are another convenient option.
The Secret Is Timing
The biggest lesson isn’t that these foods can never appear in a slow-cooker recipe.