Step 1
Make the Filling
20 minHeat: Medium- Preheat oven to 400°F (200°C).
- In a skillet, heat olive oil over medium heat.
- Add onion, garlic, carrots, and mushrooms; sauté until tender.
- Stir in lentils, peas, vegetable broth, tomato paste, thyme, salt, and pepper.
- Simmer until thickened, about 10 minutes.
Checkpoints
- Vegetables are tender
- Filling is thickened
Step 2
Prepare the Mashed Potatoes
10 min- Mash the boiled potatoes with butter and warm milk.
- Season with salt to taste.
Step 3
Assemble the Shepherd's Pie
5 min- Transfer the filling into a baking dish.
- Spread mashed potatoes evenly on top.
Checkpoints
- Mashed potatoes are spread
Step 4
Bake the Shepherd's Pie
20 minHeat: 400°F- Bake in preheated oven for 20 minutes until the top is golden.