Green Lentil and Vegetable Casserole (Printable)

Protein-rich lentils with seasonal vegetables baked to bubbling perfection for a comforting vegetarian main.

# What You Need:

→ Lentils

01 - 1 cup green lentils, rinsed
02 - 3 cups vegetable broth (use gluten-free if needed)

→ Vegetables

03 - 2 tablespoons olive oil
04 - 1 large onion, diced
05 - 2 garlic cloves, minced
06 - 2 medium carrots, diced
07 - 2 celery stalks, diced
08 - 1 red bell pepper, chopped
09 - 1 zucchini, chopped
10 - 1 cup cherry tomatoes, halved
11 - 1 cup mushrooms, sliced

→ Seasonings

12 - 1 teaspoon dried thyme
13 - 1 teaspoon dried oregano
14 - 1 teaspoon smoked paprika
15 - 1/2 teaspoon ground black pepper
16 - 1/2 teaspoon salt (adjust to taste)
17 - 2 tablespoons tomato paste
18 - 1 bay leaf

→ Topping

19 - 1/2 cup grated Parmesan or vegetarian hard cheese (optional)
20 - 1/4 cup fresh parsley, chopped

# Directions:

01 - Preheat oven to 375°F.
02 - In a large saucepan, heat olive oil over medium heat. Add onion and garlic, sauté for 3–4 minutes until softened.
03 - Add carrots, celery, bell pepper, zucchini, mushrooms, and cherry tomatoes. Cook for 5–6 minutes, stirring occasionally, until vegetables begin to soften.
04 - Stir in lentils, tomato paste, thyme, oregano, smoked paprika, bay leaf, salt, and pepper. Mix well.
05 - Pour in vegetable broth and bring to a boil. Reduce heat and simmer uncovered for 20 minutes, stirring occasionally, until lentils are just tender.
06 - Remove the bay leaf. Transfer the mixture to a large ovenproof baking dish.
07 - Sprinkle with grated cheese, if using.
08 - Bake uncovered for 25 minutes, until the top is golden and bubbling.
09 - Remove from oven, let rest for 5 minutes, then garnish with fresh parsley before serving.

# Expert Suggestions:

01 -
  • It only gets better with time, making it perfect for meal prep or feeding a crowd throughout the week
  • The combination of smoked paprika and vegetables creates layers of flavor that develop beautifully in the oven
  • Everything comes together in one dish, which means less cleanup and more time enjoying your meal
02 -
  • Lentils continue absorbing liquid even after baking, so do not worry if the mixture seems a bit soupy before it goes into the oven
  • The resting period after baking is crucial because it lets the casserole set and makes serving much easier
  • Different brands of lentils cook at different speeds, so taste them during the simmering step and adjust the time accordingly
03 -
  • A splash of balsamic vinegar added right before baking creates a subtle sweetness that perfectly complements the smoked paprika
  • Toast your dried herbs in the hot oil for 30 seconds before adding the vegetables to wake up their essential oils
  • Let the casserole cool completely before covering and refrigerating, otherwise condensation will make the topping soggy
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