Green Lentil and Vegetable Casserole (Printer-Friendly)

Protein-rich green lentils baked with seasonal vegetables and aromatic herbs for a wholesome main dish.

# What You Need:

→ Lentils

01 - 1 cup dried green lentils, rinsed
02 - 3 cups vegetable broth

→ Vegetables

03 - 1 medium onion, diced
04 - 2 cloves garlic, minced
05 - 2 medium carrots, sliced
06 - 1 medium zucchini, diced
07 - 1 red bell pepper, diced
08 - 1 cup button mushrooms, sliced
09 - 1 cup cherry tomatoes, halved
10 - 2 cups fresh spinach, roughly chopped

→ Herbs & Seasonings

11 - 2 tablespoons olive oil
12 - 1 teaspoon dried thyme
13 - 1 teaspoon dried oregano
14 - 1/2 teaspoon smoked paprika
15 - 1/2 teaspoon ground black pepper
16 - 1/2 teaspoon salt, or to taste

→ Topping

17 - 1/3 cup grated Parmesan cheese or vegan alternative
18 - 1/2 cup gluten-free breadcrumbs, optional

# Directions:

01 - Set oven to 375°F (190°C).
02 - In a medium saucepan, combine lentils and vegetable broth. Bring to a boil, reduce heat, and simmer uncovered for 20–25 minutes until lentils are tender but not mushy. Drain any excess liquid.
03 - While lentils cook, heat olive oil in a large skillet over medium heat. Sauté onion and garlic for 2–3 minutes until fragrant.
04 - Add carrots, zucchini, bell pepper, and mushrooms. Cook, stirring occasionally, for 5–7 minutes until vegetables begin to soften.
05 - Stir in cherry tomatoes, spinach, thyme, oregano, smoked paprika, salt, and black pepper. Cook for another 2–3 minutes until spinach wilts.
06 - Transfer cooked lentils and sautéed vegetables to a large mixing bowl. Mix well to combine.
07 - Transfer mixture to a greased 2-quart baking dish. Sprinkle with Parmesan cheese and breadcrumbs if using.
08 - Bake uncovered for 20–25 minutes, until the top is golden and the casserole is bubbling.
09 - Let rest for 5 minutes before serving.

# Expert Suggestions:

01 -
  • It's the kind of one-dish dinner that lets you skip cleanup guilt because it's genuinely wholesome and nourishing.
  • You can absolutely make it with whatever vegetables are hiding in your fridge, so it fits your week rather than demanding a special trip to the store.
  • The lentils do all the heavy protein lifting, which means nobody at the table will miss meat or feel like something's missing.
02 -
  • Don't skip draining the lentils after they cook—excess liquid will make your casserole watery and dilute all the flavors you've built up.
  • The vegetables should be softened but not completely falling apart; you want texture contrast in every spoonful, not a uniform mush.
03 -
  • Toast your breadcrumbs lightly in a dry skillet before sprinkling them on top—they'll brown faster and stay crispier during baking.
  • If you're making this dairy-free, nutritional yeast mixed into the breadcrumbs adds a savory, cheesy depth that Parmesan would have provided.
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