why make this recipe
Creamy Corned Beef Colcannon Casserole is a comforting dish that combines two beloved favorites: colcannon and corned beef. This casserole is perfect for using leftover corned beef and is both hearty and satisfying. The mixture of creamy mashed potatoes and cabbage, along with the savory corned beef and melted cheese, creates a meal that’s full of flavor. It’s an easy recipe to prepare and makes for great leftovers throughout the week. Plus, the crispy topping adds an enjoyable crunch to each bite!
how to make Creamy Corned Beef Colcannon Casserole
Ingredients
- 2 cups cooked colcannon (mashed potatoes with cabbage)
- 1 can (12 oz) corned beef, diced
- 1 cup cream or milk
- 1 cup shredded cheese (such as cheddar)
- 1/2 cup green onions, chopped
- Salt and pepper to taste
- 1/4 cup breadcrumbs (optional, for topping)
- 1 tablespoon olive oil or butter (optional, for greasing the dish)
Directions
- Preheat the oven to 350°F (175°C).
- In a large bowl, combine the cooked colcannon, diced corned beef, cream or milk, shredded cheese, and chopped green onions. Mix well and season with salt and pepper.
- Transfer the mixture to a greased casserole dish.
- If using, sprinkle breadcrumbs on top for a crunchy topping. Drizzle with olive oil or dot with butter.
- Bake in the preheated oven for 25-30 minutes or until heated through and the top is golden.
- Serve warm and enjoy!
how to serve Creamy Corned Beef Colcannon Casserole
This casserole can be served as a main dish, and pairs well with a simple side salad or steamed vegetables. You can also offer some extra green onions or cheese on the side for those who want to add more topping.
how to store Creamy Corned Beef Colcannon Casserole
Allow the casserole to cool completely before storing. You can keep leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply microwave or bake in the oven until warmed through. If you plan to keep it longer, it can be frozen for up to 2 months.
tips to make Creamy Corned Beef Colcannon Casserole
- For extra flavor, try adding different cheeses like Gruyere or mozzarella.
- If you want a bit more spice, sprinkle in some red pepper flakes or a dash of hot sauce.
- Ensure your colcannon is well-seasoned before mixing to elevate the overall flavor.
variation
You can customize this casserole by adding veggies like peas or carrots, or by swapping the corned beef for shredded chicken or turkey for a different twist.
FAQs
1. Can I make this casserole ahead of time?
Yes, you can prepare the casserole in advance and store it in the refrigerator for up to a day before baking. Just cover it tightly with plastic wrap.
2. Is colcannon easy to make?
Absolutely! Colcannon is made from mashed potatoes mixed with boiled cabbage or kale, and it’s quite easy to prepare ahead of time.
3. Can I use fresh cabbage instead of colcannon?
Yes, you can use fresh cabbage. Simply sauté chopped cabbage until soft, then mix it with mashed potatoes and follow the rest of the recipe as written.

Creamy Corned Beef Colcannon Casserole
Ingredients
Main Ingredients
- 2 cups cooked colcannon (mashed potatoes with cabbage) Use leftovers for best flavor.
- 1 can (12 oz) corned beef, diced
- 1 cup cream or milk Cream is preferred for a richer taste.
- 1 cup shredded cheese (such as cheddar) Feel free to substitute with other types of cheese.
- 1/2 cup green onions, chopped For added flavor.
- to taste Salt and pepper Adjust according to preference.
- 1/4 cup breadcrumbs (optional, for topping) For a crunchy topping.
- 1 tablespoon olive oil or butter (optional, for greasing the dish)
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a large bowl, combine the cooked colcannon, diced corned beef, cream or milk, shredded cheese, and chopped green onions. Mix well and season with salt and pepper.
- Transfer the mixture to a greased casserole dish.
- If using, sprinkle breadcrumbs on top for a crunchy topping. Drizzle with olive oil or dot with butter.
Baking
- Bake in the preheated oven for 25-30 minutes or until heated through and the top is golden.
Serving
- Serve warm and enjoy!
