Vegetarian Casserole
British · Vegetarian

Vegetarian Casserole

A hearty one-pot meal packed with colorful vegetables, lentils, and aromatic spices in a rich tomato base. This nutritious casserole is perfect served with rice, mash, or quinoa for a complete vegetarian dinner.

Time
45 min
Serves
4
Cuisine
British
The Method

Instructions

First, grab a large, heavy based pan and place it on your stove over medium heat. Pour in the rapeseed oil and let it warm up gently. Once the oil is shimmering a little, add the chopped onions. Cook them slowly and patiently for about 5 to 10 minutes, stirring occasionally. You want them to become soft and translucent, not browned, so keep an eye on them and lower the heat if needed. The kitchen will start to smell sweet and inviting as the onions soften.

Next, toss in the minced garlic along with your cumin, paprika, and dried thyme. Give everything a good stir to coat the onions in those lovely spices. Then add your diced carrots, celery, and both the red and yellow peppers. Let this veggie and spice mix cook together for about 5 minutes. This step is all about building layers of flavor, so don't rush it. You'll notice the garlic releasing its beautiful aroma and the vegetables beginning to soften just a bit.

Now it's time to add the fresh tomatoes, crumbled vegetable stock cube, sliced courgettes, and a few sprigs of fresh thyme. Stir everything well and let it cook gently for 20 to 25 minutes. This longer cooking time allows the tomatoes to break down and the flavors to meld beautifully. Keep the heat low enough so the mixture simmers softly, not boiling hard. You'll see the sauce thicken and the veggies become tender but still hold their shape.

When the cooking time is up, fish out the thyme sprigs and discard them. Then stir in your lentils, making sure they are well combined with all those delicious veggies and spices. Bring the casserole back up to a gentle simmer just to heat the lentils through. This is the perfect moment to taste and adjust the seasoning if you want a little more salt or spice.

Finally, serve your warming vegetarian casserole with a side of wild and white basmati rice, creamy mash, or fluffy quinoa. Each option adds its own texture and heartiness, making this dish feel just right for any cozy meal. Enjoy every comforting bite!
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