If you love the rich, comforting flavor of French onion soup, this 3-Ingredient French Onion Brisket is a dinner worth adding to your meal rotation. With a tender beef brisket, sweet onions, and a packet of French onion soup mix, you can create a savory, deeply flavored meal with very little preparation.
The slow cooker does most of the work, gently cooking the brisket until it becomes tender and easy to slice or shred. The onions soften into a flavorful base, while the soup mix adds a delicious blend of onion, herbs, and seasoning.
It’s a simple recipe that works beautifully for Sunday dinner, family gatherings, or a cozy meal when you want something hearty without spending hours in the kitchen.
Why You’ll Love This Recipe
Only three main ingredients: No long shopping list or complicated preparation.
Easy to prepare: Let the slow cooker handle the cooking.
Rich, savory flavor: Onion soup mix and fresh onions create a flavorful cooking liquid.
Great for leftovers: The brisket can be served in sandwiches, over mashed potatoes, or alongside vegetables.
Ingredients
This recipe uses just three ingredients. Choose a brisket that fits comfortably in your slow cooker.
3–4 pounds beef brisket: A whole brisket flat or point cut can work. The flat is generally easier to slice, while the point tends to have more marbling.
2 large yellow onions: Thinly sliced to create a sweet, flavorful base.
1 packet French onion soup mix: Adds onion flavor and seasoning to the beef.
Optional additions: A little beef broth can be added if you prefer more cooking liquid, but it is not necessary for the basic three-ingredient version.
How to Make 3-Ingredient French Onion Brisket
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