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    Home » Recipes

    Sweet Potato Shepherd's Pie: St Patrick's Day Casserole

    by Patti Estep · Mar 1, 2024

    Jump to Recipe
    Oval casserole dish of shepherd's pie with sweet potatoes.

    This easy shepherd's pie with sweet potatoes recipe is made with beef instead of ground lamb. Great for celebrating St. Pat's holiday or any time of year.

    Shepherd's pie serving on black plate.

    Everyone loves a good casserole. Today's recipe comes just in time for a St. Patrick's Day party or family dinner celebration. It's a take on the traditional classic Shepherd's pie. However, many people do not like the flavor of lamb (even though I do). And, it can also be hard to find in the store.

    So I've used beef (sometimes referred to as "Cottage Pie") and topped it with mashed sweet potatoes or yams for a pretty presentation and a little sweetness.

    Cubed sweet potatoes in a pot of water on the stove.

    How to Make Shepherd's Pie with Sweet Potatoes

    1. Peel, chop, and boil sweet potatoes in plenty of water on the stove. This will take about 20 minutes or until the potatoes are fork tender, meaning you can easily push a fork into the potato.
    Chopped onion sauteing on the stove in a little olive oil.

    2. Meanwhile start sauteing onions with salt and pepper in some olive oil in a large skillet.

    Onions and ground beef browned in a skillet.

    3. Next, brown the ground beef. I used lean ground beef so there isn't much extra fat in the pan.

    4. Add Worcestershire sauce and fresh thyme.

    Flour sprinkled over onion and ground beef mixture.

    5. Add the beef broth and sprinkle flour on top. Stir and simmer. This will help to thicken the mixture.

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    Ground beef mixture with tomato paste added.

    6. Then add the tomato paste and stir in the thawed peas and carrots.

    Ground beef mixture with carrots and peas layered into the bottom of a baking pan.

    7. Transfer the beef mixture to a 9 x 13 baking dish.

    Sweet potatoes mashed in a pot.

    8. Drain the sweet potatoes and whip them with butter and milk until they are nice and smooth.

    Mashed sweet potatoes spread over beef mixture in a baking pan.

    9. Spread the mashed sweet potatoes over the beef mixture and up to the sides to create a seal.

    10. Bake the shepherd's pie in a preheated 375 degree oven for 20 minutes.

    Sweet potato shepherd's pie baked from the oven.

    11. If you want you can then set it under the broiler for 1-2 minutes more.

    A serving of shepherd's pie with sweet potatoes on a plate.

    Cool slightly before serving this delicious colorful comfort food.

    Patti signature

    More St. Patrick's Day Recipes

    • Easy Slow Cooker Corned Beef
    • Fun Pistachio Cupcakes for St. Patrick's Day
    • Slow Cooker Irish Beef Stew
    Serving of Shepherd's Pie with sweet potatoes and beef.
    Shepherd's pie serving on black plate.
    Print
    5 from 1 vote

    Sweet Potato Shepherd's Pie Recipe

    This yummy casserole was inspired by traditional Irish Shepherd's Pie substituting white potatoes with sweet potatoes and lamb with ground beef.
    Prep Time30 minutes mins
    Active Time40 minutes mins
    Total Time1 hour hr 10 minutes mins
    Course: Dinner Recipes, Entree
    Cuisine: Irish
    Yield: 8
    Calories: 353kcal

    Equipment

    • 9 x 13 casserole dish

    Materials

    • 1.5 pounds lean ground beef
    • 1 cup chopped onion
    • 2 tablespoons olive oil
    • 1/2 teaspoon salt
    • 1/4 teaspoon black pepper
    • 1 teaspoon worchestershire sauce
    • 1 teaspoon fresh chopped thyme leaves
    • 1/2 cup beef broth
    • 2 tablespoons flour
    • 2 tablespoons tomato paste
    • 1 cup frozen peas and carrots thawed

    Mashed Sweet Potato Topping

    • 2.5 pounds sweet potatoes
    • 4 tablespoons butter
    • 1/4 cup milk

    Instructions

    • Preheat the oven to 375 degrees.
    • Peel the sweet potatoes and chop them into 1-1.5 inch cubes.
    • Place the potatoes into a pot of water to cover and boil for 15-20 minutes or until they are fork tender.
    • Meanwhile, saute the onions in olive oil in a large skillet over medium-high heat for about 2-3 minutes.
    • Add the ground beef, salt and pepper. Stir until browned through.
    • Add the worchestershire sauce and thyme.
    • Sprinkle the flour over top and add the beef broth and tomato paste.
    • Simmer for a minute then add the peas and carrots. Stir well.
    • Transfer the beef mixture to a 9 x 13 casserole dish and spread evenly.
    • Drain the potatoes and then mash them with butter and milk.
    • Spread the mashed potatoes over the beef mixture in the casserole dish making sure to reach the edge of the pan to create a seal.
    • Bake for 25 minutes then place the dish under the broiler for 2-3 minutes to brown the top if desired.

    Notes

    Store any leftovers in an airtight container in the refrigerator for a few days.
    Substitutions
    • Ground turkey instead of beef.
    • Different veggies such as green beans or corn.
    • Fresh herbs such as fresh rosemary.

    Nutrition

    Serving: 1g | Calories: 353kcal | Carbohydrates: 35g | Protein: 22g | Fat: 14g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 69mg | Sodium: 430mg | Potassium: 901mg | Fiber: 5g | Sugar: 8g | Vitamin A: 22033IU | Vitamin C: 8mg | Calcium: 75mg | Iron: 3mg
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    About Patti Estep

    Patti is the creator of Hearth and Vine, a home and garden blog filled with projects to inspire your creative side. She loves crafting, gardening, decorating and entertaining at her home in Pennsylvania. When she is not working on a project at home or searching for treasures at nurseries and thrift stores with her girlfriends, you’ll probably find her with family and friends, at a restaurant, or home party enjoying new and different food adventures.

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    Hi!

    I'm Patti

    Join me to create lots of fun DIY projects, including crafts, gardening, home decor, and tasty recipes

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