This creamy French onion dip is made with just four ingredients: sour cream, cream cheese, mayonnaise and a packet of French onion soup mix. Add everything to the Thermomix bowl, mix for 25 seconds, then chill for 30 minutes before serving.

A bowl of creamy onion dip garnished with chives, surrounded by toasted flatbread crackers on a white platter.

This is the dip I make when guests are on their way and I'm short on time. There's nothing to chop, and one batch fills a big bowl. Serve it alongside my Thermomix guacamole with a bowl of corn chips for dipping.

Here's a Look at the Ingredients

A tub of soured cream, a tub of spreadable cream cheese, a bottle of Heinz mayonnaise, and a packet of Maggi French onion soup mix arranged on a marble worktop, each with a text label beside it. — *Four ingredients are all you need for this tasty dip.*

French onion soup mix - Maggi, Continental and most supermarket own brands come in a 40g packet, which is exactly what you need.
Cream cheese - I use spreadable cream cheese, which mixes in smoothly.
Sour cream - full-fat is better.
Mayonnaise - adds extra creaminess and a little tang.

These photos are intended to give you a helpful visual overview of the recipe. You'll find the full ingredient list, exact quantities and detailed instructions in the printable recipe card at the bottom of this post.

Visual Step-by-Step Guide

A stainless steel blender jug containing scoops of sour cream, mayo, cream cheese and some soup mix.

Add the sour cream, cream cheese, mayonnaise and French onion soup mix to the Thermomix bowl.

Creamy light-beige mixture being blended in a metal food processor.

Mix until smooth, then refrigerate for 30 minutes before serving.

French Onion Dip Tips

Stir well after the first mix: Scrape down the sides and fold everything together with a spatula so no onion powder gets left behind, then mix again briefly.

Crunchy bits at first: These come from the soup mix and will soften after 30 minutes.

Make ahead: This dip can be made up to 3 days before serving.

Ways to Serve It

Corn chips
Crackers
Pita chips
Carrot, cucumber and celery sticks
Sandwich or wrap filling

A hand dips a tortilla chip into a bowl of creamy dip topped with chopped chives, surrounded by more crisps.

⭐️ Did you make this French Onion Dip? I'd love to hear what you think - please leave a comment and recipe rating below! You can also subscribe to my email list to never miss a new Thermomix recipe.

📖 Recipe