This vegetarian cottage pie is a comforting and hearty dish that is perfect for a cozy dinner. It features a savory vegetable filling topped with creamy mashed potatoes, baked to golden perfection. This recipe is not only delicious but also a great way to enjoy a meat-free meal that is packed with flavor and nutrients.
While most of the ingredients in this recipe are common pantry staples, you might need to pick up a few items at the supermarket. Tomato paste is essential for adding depth to the vegetable filling, and dried thyme and dried rosemary provide the aromatic herbs that elevate the dish. Make sure to also grab vegetable broth if you don't have any on hand, as it forms the base of the savory sauce.

Ingredients For Vegetarian Cottage Pie Recipe
Olive oil: Used for sautéing the vegetables, adding a rich flavor and helping to cook them evenly.
Onion: Adds a sweet and savory base flavor to the filling.
Garlic: Provides a pungent and aromatic quality that enhances the overall taste.
Carrots: Adds sweetness and texture to the vegetable filling.
Frozen peas: Contributes a pop of color and a slight sweetness to the dish.
Vegetable broth: Forms the base of the savory sauce, adding depth and moisture.
Tomato paste: Adds a rich, concentrated tomato flavor to the filling.
Dried thyme: Provides an earthy, slightly minty flavor that complements the vegetables.
Dried rosemary: Adds a pine-like aroma and flavor that enhances the dish.
Salt: Enhances the flavors of all the ingredients.
Pepper: Adds a bit of heat and enhances the overall flavor profile.
Potatoes: Forms the creamy, comforting topping for the pie.
Milk: Helps to create a smooth and creamy mashed potato topping.
Butter: Adds richness and flavor to the mashed potatoes.
Technique Tip for This Recipe
When making the mashed potatoes, ensure they are well-drained before mashing to avoid a watery consistency. For a creamier texture, you can warm the milk and butter before adding them to the potatoes. This helps them incorporate more smoothly and evenly. Additionally, using a potato ricer or food mill can give you a fluffier mash compared to a traditional masher.
Suggested Side Dishes
Alternative Ingredients
olive oil - Substitute with canola oil: Canola oil has a neutral flavor and similar cooking properties.
onion - Substitute with leek: Leeks provide a milder, slightly sweet flavor that complements the dish.
garlic - Substitute with garlic powder: Garlic powder can be used if fresh garlic is unavailable, though it has a slightly different flavor profile.
carrots - Substitute with parsnips: Parsnips have a similar texture and a slightly sweeter taste.
frozen peas - Substitute with frozen green beans: Green beans offer a similar texture and can be used if peas are not available.
vegetable broth - Substitute with mushroom broth: Mushroom broth adds a rich umami flavor to the dish.
tomato paste - Substitute with crushed tomatoes: Crushed tomatoes can be used to add a similar tomato flavor, though the consistency will be slightly different.
dried thyme - Substitute with dried oregano: Oregano provides a different but complementary herbal note.
dried rosemary - Substitute with dried sage: Sage offers a different aromatic profile that works well in savory dishes.
salt - Substitute with soy sauce: Soy sauce can add both saltiness and umami flavor.
pepper - Substitute with white pepper: White pepper has a milder flavor and can be used as a direct substitute.
potatoes - Substitute with cauliflower: Mashed cauliflower provides a lower-carb alternative with a similar texture.
milk - Substitute with almond milk: Almond milk is a dairy-free alternative that works well in mashed vegetables.
butter - Substitute with margarine: Margarine is a plant-based alternative that provides a similar texture and flavor.
salt - Substitute with sea salt: Sea salt can be used as a direct substitute with a slightly different mineral content.
pepper - Substitute with cayenne pepper: Cayenne pepper adds a bit of heat along with the peppery flavor.
Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
Allow the vegetarian cottage pie to cool completely before storing. This helps prevent condensation, which can make the mashed potatoes soggy.
Transfer the cooled cottage pie to an airtight container. If you don't have one large enough, you can use several smaller containers or cover the baking dish tightly with plastic wrap or aluminum foil.
Store the container in the refrigerator if you plan to eat the pie within 3-4 days. For longer storage, place it in the freezer.
To freeze, wrap the container or baking dish in an additional layer of aluminum foil to prevent freezer burn. Label it with the date so you can keep track of how long it's been stored.
When ready to reheat, if the pie is frozen, thaw it in the refrigerator overnight. This ensures even reheating and maintains the texture of the vegetables and mashed potatoes.
Preheat your oven to 350°F (175°C). Remove any plastic wrap and cover the pie with aluminum foil to prevent the top from browning too quickly.
Reheat the pie in the oven for about 30-40 minutes, or until the filling is hot and bubbling. If you prefer a crispy top, remove the foil during the last 10 minutes of reheating.
For a quicker option, you can reheat individual portions in the microwave. Place a serving on a microwave-safe plate, cover with a microwave-safe lid or another plate, and heat on medium power for 2-3 minutes, checking and stirring halfway through.
Once reheated, let the pie sit for a few minutes before serving to allow the filling to settle and the flavors to meld together. Enjoy your delicious vegetarian cottage pie once again!
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the vegetarian cottage pie in an oven-safe dish, cover it with aluminum foil to prevent drying out, and bake for about 20-25 minutes, or until heated through. The foil helps retain moisture, ensuring the mashed potatoes stay creamy.
For a quicker method, use the microwave. Transfer a portion of the cottage pie to a microwave-safe dish. Cover it with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape. Heat on medium power for 3-5 minutes, stirring halfway through to ensure even heating. This method is perfect for a speedy lunch or dinner.
If you prefer a crispy top, try reheating in a skillet. Place a portion of the cottage pie in a non-stick skillet over medium-low heat. Cover with a lid and cook for about 10-15 minutes, occasionally checking to ensure it doesn't burn. This method gives the mashed potatoes a delightful, slightly crispy texture.
For an air fryer option, preheat the air fryer to 350°F (175°C). Place a portion of the cottage pie in the air fryer basket, ensuring it's evenly spread out. Heat for about 8-10 minutes, checking halfway through. This method provides a quick and crispy finish to the mashed potatoes.
If you have a steamer, you can reheat the cottage pie gently. Place the pie in a heatproof dish and set it in the steamer basket. Steam for about 15-20 minutes, or until heated through. This method helps retain the moisture and flavor of the vegetable mixture and mashed potatoes.
Best Tools for This Recipe
Oven: Used to bake the cottage pie until the top is golden and the filling is bubbling.
Skillet: Used to cook the onions, garlic, carrots, and other ingredients for the vegetable mixture.
Pot: Used to boil the potatoes until they are tender.
Baking dish: Used to transfer the vegetable mixture and spread the mashed potatoes on top before baking.
Knife: Used to chop the onion and dice the carrots.
Cutting board: Used as a surface for chopping and dicing vegetables.
Measuring spoons: Used to measure out the olive oil, tomato paste, thyme, and rosemary.
Measuring cup: Used to measure the vegetable broth and frozen peas.
Wooden spoon: Used to stir the ingredients in the skillet.
Potato masher: Used to mash the boiled potatoes with milk and butter.
Colander: Used to drain the boiled potatoes.
Mixing bowl: Used to combine the mashed potatoes with milk and butter.
Spatula: Used to spread the mashed potatoes evenly over the vegetable mixture in the baking dish.
How to Save Time on This Recipe
Prepare ingredients in advance: Chop the onion, garlic, and carrots the night before to save time on cooking day.
Use pre-made mashed potatoes: If you're in a hurry, use store-bought mashed potatoes to skip the boiling and mashing steps.
Opt for frozen vegetables: Frozen peas and pre-diced carrots can cut down on prep time significantly.
Simmer while boiling: Start simmering the vegetable mixture while the potatoes are boiling to streamline the process.
One-pot method: Use an oven-safe skillet to cook the filling and then top with mashed potatoes to avoid transferring to a baking dish.

Vegetarian Cottage Pie
Ingredients
Main Ingredients
- 2 tablespoon olive oil
- 1 large onion, chopped
- 2 cloves garlic, minced
- 2 medium carrots, diced
- 1 cup frozen peas
- 1 cup vegetable broth
- 2 tablespoon tomato paste
- 1 teaspoon dried thyme
- 1 teaspoon dried rosemary
- to taste salt and pepper
Mashed Potato Topping
- 4 large potatoes, peeled and chopped
- ½ cup milk
- 2 tablespoon butter
- to taste salt and pepper
Instructions
- Preheat your oven to 400°F (200°C).
- Heat olive oil in a skillet over medium heat. Add the chopped onion and cook until softened, about 5 minutes.
- Add the minced garlic and diced carrots. Cook for another 5 minutes.
- Stir in the tomato paste, vegetable broth, thyme, and rosemary. Bring to a simmer and cook for 10 minutes. Add the frozen peas and cook for another 5 minutes. Season with salt and pepper to taste.
- Meanwhile, boil the potatoes in a pot of salted water until tender, about 15 minutes. Drain and mash with milk and butter. Season with salt and pepper to taste.
- Transfer the vegetable mixture to a baking dish. Spread the mashed potatoes evenly over the top.
- Bake in the preheated oven for 20 minutes, or until the top is golden and the filling is bubbling.
- Let cool for a few minutes before serving. Enjoy!
Nutritional Value
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