Place the beans, red pepper, parsley, and onion in a large salad bowl.
In a lidded jar, add the olive oil, vinegar, garlic, salt & pepper. Put the lid on tightly, and shake until well combined.
Add the dressing to the bean mixture, using a spatula to combine (gently – so you don’t break the beans).
Taste, add more seasoning if needed.
Refrigerate until needed (up to 4 days).
Make this ahead - this will keep several days in the refrigeratorWhen mixing the beans, fold gently to avoid turning your beans into mush.Make a double or triple batch of bean salad for gatherings and watch it disappear.What to do with leftoversStore in a covered container in the refrigerator for up to 3 days.