Turn leftover corned beef into this easy, hearty Corned Beef and Cabbage Soup in just 30 minutes! Perfect for St. Patrick's Day leftovers or any time you want a warm, comforting bowl. No one will believe you used leftovers!
In a 5 quart pan or dutch oven, saute the onion and carrots until they start to soften, about 5 minutes.
Add cabbage, potatoes, and corned beef. Add enough beef broth to cover the other ingredients by about 1 inch.
Cover with a lid and cook on low until potatoes start to soften, about 20 minutes.
Notes
If your vegetables are fresh, you don't have to remove their peel. It's a time saver and there are vitamins in that peel! Just scrub them with a vegetable brush.
Cut up your soup ingredients so they all cook at the same rate. For example, carrots take a little longer to cook so we slice them thinly.
We slice the cabbage a little thicker to prevent it from overcooking.
Nothing should be cut larger than what will fit on a soup spoon. You shouldn't have to serve a knife with your soup!
Slightly undercook your vegetables. They will continue to cook in the soup.
Slow Cooker: Add carrots, onions, potatoes, and broth to slow cooker. Cook on LOW 6-7 hours or HIGH 3-4 hours. Add cabbage and corned beef during the last 30 minutes.
Instant Pot: Sauté onions and carrots 3-4 minutes. Add broth, potatoes, and corned beef. Pressure cook HIGH 5 minutes. Quick release, stir in cabbage, and let sit 5 minutes.
Using deli corned beef: No leftovers? Use thick-cut deli corned beef instead. You'll need about 3 cups cubed.
Storage: Soup should be stored in the refrigerator for up to 3-4 days and can be frozen for up to 3 months.
This recipe was calculated using the exact brands and measurements I used to make this recipe. If you are following a strict diet please note changing anything will cause the nutritional info to change. My calculations are intended as a guide only.