Onion Relish

This Onion Relish will take your sandwich from 0 to 60 with just 3 ingredients and a few minutes of prep!

My sons call this Onion Relish the lazy man’s condiment because it is all you need to make your sandwich! Just spread it on and you have a deluxe flavor.

Onion Relish is a must have for any picnic or potluck and is easy to have ready because it can be made ahead. With just a few ingredients, it is super quick to mix up.

Follow my Picnic Recipes Pinterest Board for dozens of ideas from all around the web! I am constantly finding new things to add so there will be new things all the time!

This recipe has been shared in Meal Plan Monday and Weekend Potluck. Head on over to these great sites for LOTS of new recipes each week!

Other Recipes We Love

Low Carb Zippy Horseradish Meat Sauce

Keto Spicy Sweet Mustard

Simple Creamy Guacamole

Easy Homemade Alfredo Sauce

Basic Homemade Hummus

Lemon Herb Mayonnaise

What to Serve with

We love Onion Relish with hot dogs and hamburgers. It is great with this Simple Recipe for Hamburgers. I also love to mix it into my potato salad or anything like that. Don’t tell anyone, but I have even just eaten it alone on a spoon.

Here it is on a hotdog and with corn and red pepper salsa and chips on the side. That recipe is coming soon. Sign up for our email so you don’t miss it!

An onion shortcut

When we moved into our last house, we didn’t have a usable kitchen for several weeks and I was really wanting some of this so I bought some of the pre-cut onions in the vegetable department. They are in the pre-made salad area and so easy to make this with! I was so happy to find them. Just dump them in the bowl with the mayo and mustard and there you have it!

Can You Make Onion Relish Ahead of Time?

Yes! Actually, it is even better if it has a day for the flavors to blend so it is a great thing to make ahead.

Can You Freeze Onion Relish?

No. With raw onions and mayonnaise, it is not recommended to freeze this. It does last at least a week in the refrigerator though.

Ingredients

chopped Vidalia onions

mayonnaise

yellow mustard

Instructions

Chop onion desired size. We like ours chopped pretty fine but not tiny.

Combine onion with mayonnaise and mustard.

Chill for flavors to blend.

Can also be eaten right away.

Store up to several days in refrigerator.

Notes

*If any separation occurs, just mix it up and it will be fine.

A mild onion like Vidalia is best but use whatever you like.

1 cup of chopped onion is about 1 ½ small onions.

If you make this recipe, let me know! Rate it and leave a comment below. I love hearing from you!

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