Gather cucumbers, onion, bell pepper, vinegar, sugar, salt, and spices
Wash the vegetables thoroughly
Finely chop the cucumbers, onion, and bell pepper
Place the chopped vegetables in a bowl
Sprinkle with salt and let sit for 1 to 2 hours
Drain and rinse the vegetables
Combine vinegar, sugar, and spices in a pot
Bring the mixture to a boil
Add the vegetables to the pot
Simmer until the relish thickens
Taste and adjust seasoning if needed
Pour the relish into clean jars
Let cool before refrigerating
Store in the refrigerator or process for canning if desired