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Home » The Recipe Box » From Scratch Essentials

Homemade Onion Soup Mix Recipe

Profile image of Amanda Scarlati By Amanda Scarlati - Updated: Jun 15, 2026 - Published: Oct 15, 2024 - This post contains affiliate links.

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Total Time 5 minutes minutes
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Seasoning mix in a mason jar and in a tablespoon.
Spices in dishes and seasoning in a tablespoon.
Spices in dishes and seasoning in a tablespoon.

Onion soup mix was a pantry staple growing up and was used in some of my mom's favorite family recipes. While I still love the classic flavor it adds to dishes like pot roast, meatloaf, and dip, I prefer making it from scratch so I know exactly what's in it.

A mason jar filled with dry onion soup mix with the lid and measuring spoon on the counter next to it.

This homemade onion soup mix comes together in just a few minutes and is an easy substitute for the store-bought packets. It's one of those pantry staples that's always nice to have on hand.

Jump to:
  • Why You'll Love This Recipe
  • What's in Dry Onion Soup Mix?
  • How to Make Onion Soup Mix
  • How to Store Your Seasoning
  • Ways to Use Onion Soup Mix
  • Recipe
  • Comments

Why You'll Love This Recipe

  • Better Flavor - Making it from scratch gives you the classic onion soup mix flavor with simple ingredients you probably already have in your pantry.
  • Simple Ingredients - Made with just 7 pantry staples, you'll know exactly what's going into your recipes.
  • Budget-Friendly - Making your own seasoning blend costs less than buying individual packets.

What's in Dry Onion Soup Mix?

This seasoning blend is made with seven simple pantry ingredients that work together to create the classic flavor of onion soup mix.

dehydrated onion flakes, garlic powder, onion powder, beef bouillon granules, salt, pepper, and dried parsley in little dishes on a table.

Dried Onion Flakes - These provide the signature onion flavor. You may also see them labeled as minced, chopped, or dehydrated onion. They're a great substitute for fresh onions whenever a recipe has enough time for them to rehydrate.

Beef Bouillon Granules - Beef bouillon gives this seasoning its classic onion soup mix flavor. For a lower-sodium option, use reduced-sodium bouillon, or substitute vegetable bouillon to make it vegetarian.

Other Seasonings - Garlic powder, onion powder, dried parsley, kosher salt, black pepper, and a touch of sugar round out the flavor. The sugar helps balance the savory ingredients, but you can leave it out if you prefer. If you enjoy a little heat, add a pinch of cayenne pepper or red pepper flakes.

How to Make Onion Soup Mix

Simply measure all of the ingredients into a small bowl and stir until they're evenly combined. Use the seasoning immediately or transfer it to an airtight container for later.

Seasonings in a white bowl and seasonings mixed up in the bowl with a spoon.
set of size pint sized mason jars, some filled, some empty.

How to Store Your Seasoning

I usually store my homemade seasoning blends in small mason jars, but recycled glass jars from pickles, pasta sauce, or olives work just as well. Store it in a cool, dark pantry or spice cabinet for up to a year.

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Ways to Use Onion Soup Mix

This is one of those seasonings I always keep on hand because I use it in so many recipes.

  • Substitute 4 tablespoons for 1 packet of store-bought onion soup mix.
  • Mix it into sour cream or ricotta for a quick onion dip.
  • One of my favorite ways to use this seasoning is in my Sunday Pot Roast, but it's just as delicious in meatloaf, burgers, and chicken.
  • Add 1-2 tablespoons to mashed potatoes, rice, soups, or stews.
  • Sprinkle it over vegetables before roasting.
  • Mix 1 tablespoon with 1 cup of water for homemade onion soup.

Recipe

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Seasoning mix in a mason jar and in a tablespoon.
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Homemade Onion Soup Mix

Yield : 8 servings
Prep: 5 minutes mins
Total: 5 minutes mins
This homemade onion soup mix recipe comes together in just 5 minutes using simple pantry ingredients. Keep a jar on hand to use anywhere a recipe calls for a packet of onion soup mix, from pot roast and meatloaf to dips and soups.
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Ingredients
  

  • ¼ cup dried onion flakes
  • 2 Tablespoons beef bouillon granules
  • 1 teaspoon onion powder
  • 1 teaspoon garlic powder
  • 1 teaspoon dried parsley
  • 1 teaspoon kosher salt
  • ⅛ teaspoon black pepper
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Instructions
 

  • Add all of the ingredients to a small bowl and mix well.
  • Use seasoning immediately or store for later use.

Notes

This recipe yields 2 ounces of seasoning, 8 Tablespoons, or 2 packets of store-bought dry onion soup mix.
 
  • Use 4 Tablespoons of this mix to substitute 1 packet of store-bought mix.
  • Mix 4 Tablespoons into 1 pint of sour cream or ricotta cheese for a dip. 
  • Add 1-2 Tablespoons to rice, mashed potatoes, soups, or stews.
  • Use this mix to season vegetables, chicken, burgers, meatloaf, or pot roast. 
  • For soup, use 1 Tablespoon of seasoning per 8 ounces of water.
  • Store in an airtight container in a cool, dark place for up to 1 year.
 

Nutrition

Serving: 1TablespoonCalories: 10kcalCarbohydrates: 2gProtein: 0.5gFat: 0.1gSaturated Fat: 0.03gPolyunsaturated Fat: 0.01gMonounsaturated Fat: 0.02gCholesterol: 0.1mgSodium: 592mgPotassium: 41mgFiber: 0.2gSugar: 1gVitamin A: 1IUVitamin C: 1mgCalcium: 7mgIron: 0.1mg
Author : Amanda Scarlati
Course : Seasoning
Cuisine : American
Tried this recipe?Mention @ScarlatiFamilyKitchen or tag #ScarlatiFamilyKitchen!

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Hi, I’m Amanda! I’m a professionally trained chef, integrative health coach, and mother. I’m here to help you bring more comfort, connection, and ease to your kitchen.

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