The phrase "staple ingredient" refers to a key or essential component used in cooking or food preparation that is frequently used and commonly found in many different recipes. Full definition
It helps me to keep my list of staple ingredients in a meal planner (I use this one) so I can whip up ranch dressing at any time. (wellnessmama.com)
This is probably due to the fact that bananas were always the sort of staple ingredient in my family when i was growing up. (coconutflourpancakes.com)
I love that it uses pantry staple ingredients, so it's perfect to just throw together when you invite a few friends over at the last minute (cough, cough). (mostlyhomemademom.com)