Baked Shepherd’s Pie with Caramelized Onion and Peas
A hearty baked shepherd’s pie featuring rich caramelized onions, tender ground beef, and sweet peas topped with creamy mashed potatoes browned to perfection. This british-inspired beef ready in about 65 minutes layers ground beef, large, diced yellow onion, medium, diced carrots into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 520 calories and feeds 4, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 lb ground beef
- 1 large, diced yellow onion
- 2 medium, diced carrots
- 1 cup frozen peas
- 3, minced garlic cloves
- 2 tbsp tomato paste
- 1 cup beef broth
- 1 tbsp Worcestershire sauce
- 4 tbsp butter
- 2 tbsp all-purpose flour
- 3 large, peeled and quartered russet potatoes
- 1/2 cup milk
- 1 1/2 tsp, divided salt
- 1 tsp, divided pepper
- 2 tbsp olive oil
Instructions
- Step 1: Preheat oven to 400°F. Place 3 large peeled and quartered russet potatoes in a large pot of salted water with 1 tsp salt and bring to a boil. Cook for 15-20 minutes until tender, then drain.
- Step 2: While potatoes cook, heat 2 tbsp olive oil in a large skillet over medium heat. Add 1 large diced yellow onion and sauté for 10 minutes until golden and caramelized, stirring occasionally.
- Step 3: Add 1 lb ground beef and 3 minced garlic cloves to the skillet. Cook over medium-high heat, breaking up meat, until browned, about 6-8 minutes.
- Step 4: Stir in 2 diced medium carrots and cook for 4 minutes until slightly softened. Add 2 tbsp tomato paste and cook for 2 minutes until fragrant.
- Step 5: Sprinkle 2 tbsp all-purpose flour over the mixture and stir to combine, cooking for 1 minute to remove raw flour taste.
- Step 6: Pour in 1 cup beef broth and 1 tbsp Worcestershire sauce, stirring constantly until sauce thickens, about 3-4 minutes. Stir in 1 cup frozen peas and season with 1/2 tsp salt and 1/2 tsp pepper.
- Step 7: Mash the cooked potatoes with 4 tbsp butter, 1/2 cup milk, 1/2 tsp salt, and 1/2 tsp pepper until smooth and creamy.
- Step 8: Transfer beef mixture to a 9x9-inch baking dish, spreading evenly. Spoon mashed potatoes over the top and smooth with a spatula.
- Step 9: Bake in the preheated 400°F oven for 20-25 minutes until the edges are bubbly and the potato topping is golden brown.
- Step 10: Let rest for 5 minutes before serving.
Frequently asked questions
How long does Baked Shepherd’s Pie with Caramelized Onion and Peas take to make?
Total time is about 65 minutes (20 min prep + 45 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover Baked Shepherd’s Pie with Caramelized Onion and Peas?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in Baked Shepherd’s Pie with Caramelized Onion and Peas?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Baked Shepherd’s Pie with Caramelized Onion and Peas for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Baked Shepherd’s Pie with Caramelized Onion and Peas?
British beef like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
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