This Crock Pot Frozen Corned Beef is a simple and hands-off recipe, which uses frozen corned beef and beer (or broth). It’s a no-fuss take on the classic, ready in about 9 hours and 10 minutes.
Crock Pot Frozen Corned Beef Ingredients
- 3–4 lb corned beef, frozen (flat cut is best)
- 4 potatoes
- 1 onion, sliced
- 1 can beer (or 12 oz beef broth)
How To Make Crock Pot Frozen Corned Beef
- Prep the base: Wash the potatoes and place them in the center of the Crock Pot to act as a trivet. Slice the onion and arrange around the potatoes.
- Add the beef: Unwrap the frozen corned beef and place it fat-side up on top of the potatoes. Pour the beer (or broth) over the top.
- Season the meat: Sprinkle the included seasoning packet evenly over the top of the beef.
- Slow cook it: Cover and cook on low for 9 hours, or until the meat is fork-tender and slices easily.

Recipe Tips
- Can I cook corned beef from frozen in a slow cooker?
Yes, just make sure to cook on low for at least 9 hours for safe, tender results. - What’s the best cut of corned beef?
Flat cut is preferred for even cooking and easier slicing. - Can I substitute beer?
Absolutely. Use beef broth or water if you prefer not to use alcohol. - How do I know it’s done?
The beef should be fork-tender and easily slice across the grain. - Should I trim the fat?
You can trim after cooking if desired, but leaving the fat cap on helps keep it moist.
What To Serve With Corned Beef
This classic dish pairs well with hearty sides. Try serving it with:
- Steamed cabbage or sautéed greens
- Horseradish or mustard
- Roasted carrots or parsnips
- Irish soda bread
- Pickles or sauerkraut
How To Store Corned Beef
Refrigerate: Store leftovers in an airtight container for up to 4 days.
Freeze: Freeze sliced or shredded beef for up to 2 months.
Reheat: Warm gently in a skillet with a splash of broth or microwave until heated through.
Corned Beef Nutrition Facts
- Calories: 474
- Carbohydrates: 3g
- Protein: 34g
- Fat: 34g
- Saturated Fat: 11g
- Cholesterol: 122mg
- Sodium: 2763mg
- Potassium: 713mg
- Fiber: 0.3g
- Sugar: 1g
- Vitamin C: 63mg
- Iron: 4mg
Nutrition information is estimated and may vary based on ingredients and cooking methods used.
FAQs
Can I add cabbage to the Crock Pot?
Yes, but wait until the last hour of cooking to add cabbage so it doesn’t turn mushy.
What if my corned beef is too salty?
Soak it in water for 30 minutes before cooking or use low-sodium broth instead of beer.
Do I need to thaw corned beef first?
No thawing needed—this recipe is designed for frozen corned beef.
Can I cook on high to save time?
It’s not recommended. Low and slow ensures tender, evenly cooked meat.
How do I slice corned beef properly?
Let it rest briefly, then slice against the grain for the most tender results.
Try More Recipes:
Crock Pot Frozen Corned Beef
Course: DinnerCuisine: AmericanDifficulty: Easy6
servings10
minutes9
hours474
kcalA hands-off, easy way to make juicy and tender corned beef straight from frozen using your slow cooker.
Ingredients
3–4 lb frozen corned beef (flat cut)
4 potatoes
1 onion, sliced
1 can beer or 12 oz beef broth
Directions
- Wash potatoes and place in the center of Crock Pot. Arrange sliced onions around them.
- Set frozen corned beef fat-side up on top of potatoes. Pour beer or broth over the top.
- Sprinkle seasoning packet on top of the beef.
- Cover and cook on low for 9 hours, or until beef is fork-tender and slices easily.
