Easy Shepherd’s Pie Casserole
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Classic easy shepherd’s pie casserole with savory ground beef filling and creamy mashed potato topping baked until golden. Perfect comfort food ready in 45 minutes.
Author: James Carter Jr
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Yield: 6 servings 1 x
Category: Main Dish
Method: Bake
Cuisine: British
1 pound ground beef (80/20 blend recommended)
1 medium onion, chopped (yellow onion)
2 cloves garlic, minced
1 cup frozen mixed vegetables (peas, carrots, corn)
2 tbsp tomato paste
1 cup beef broth (low-sodium recommended)
1 tsp Worcestershire sauce
Salt and pepper to taste
3 cups mashed potatoes (prepared from 3 large russet potatoes)
2 tbsp butter
1/4 cup shredded cheddar cheese (optional)
Preheat oven to 400°F (200°C) so it’s ready when casserole is assembled.
Place large skillet over medium heat. Add 1 pound ground beef and break into crumbles. Cook 6-8 minutes until completely brown. Drain excess fat.
Add chopped onion and minced garlic to skillet with beef. Cook 3-4 minutes, stirring frequently, until onion is soft and translucent.
Stir in frozen mixed vegetables, tomato paste, beef broth, Worcestershire sauce, salt, and pepper. Mix until tomato paste dissolves completely.
Reduce heat to medium-low and simmer 5-7 minutes, stirring occasionally, until mixture thickens slightly into a savory gravy.
Pour beef mixture into 9×13 inch casserole dish and spread evenly across bottom.
Spoon prepared mashed potatoes over beef filling. Spread evenly with spatula , covering filling completely to edges.
Dot small pieces of butter across potato top. Sprinkle shredded cheddar cheese evenly if using.
Bake in preheated oven for 20-30 minutes until top turns golden brown and edges bubble.
Remove from oven and let rest 5 minutes before serving for easier portioning.
Notes
Use 80/20 ground beef for best flavor and moisture. Ground turkey or lamb work as substitutes.
Prepare mashed potatoes while beef simmers to save time.
For freezing, assemble but don’t bake. Wrap tightly and freeze up to 3 months. Bake from frozen, adding 15-20 minutes.
Leftovers stay fresh in refrigerator for up to 4 days. Reheat covered in 350°F oven for 20-25 minutes.
Nutrition
Serving Size: 1/6 of casserole
Calories: 450 kcal
Sugar: 5 g
Sodium: 600 mg
Fat: 20 g
Saturated Fat: 10 g
Unsaturated Fat: 8 g
Trans Fat: 0 g
Carbohydrates: 35 g
Fiber: 5 g
Protein: 25 g
Cholesterol: 70 mg