Creamy Lemon Broccoli and White Bean Casserole

Creamy lemon broccoli casserole turns simple white beans, brown rice, and broccoli into a cozy, high-protein dinner that tastes bright, savory, and satisfying.

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This is the kind of meal I make when I want something filling without spending much. The white beans make it creamy and hearty. The Greek yogurt adds tang. The lemon zest wakes everything up. The parmesan melts into a golden, salty top that bubbles around the edges.

Why You’ll Love This Recipe

  • It tastes creamy without heavy cream: Greek yogurt and vegetable broth make a smooth lemon garlic sauce.
  • It is filling: White beans and brown rice give the casserole fiber, protein, and staying power.
  • It uses simple ingredients: Canned beans, frozen or fresh broccoli, cooked rice, yogurt, broth, lemon, garlic, and parmesan do the work.
  • It bakes hands off: Once everything is mixed, the oven turns it bubbly and golden.

Fabian’s Budget and Health Tip: Use frozen broccoli and leftover brown rice to cut the cost and the prep time. Frozen broccoli is picked at its peak and works well here. If your rice is already cooked, this casserole comes together fast enough for a weeknight.

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Ingredients (Serves 4)

  • 3 cups cooked brown rice (585 g)
  • 2 cans white beans, drained and rinsed (15 ounces each, 425 g each)
  • 4 cups broccoli florets, fresh or frozen (360 g)
  • 1 cup plain Greek yogurt (245 g)
  • 1 cup low-sodium vegetable broth (240 ml)
  • 1 cup grated parmesan cheese, divided (100 g)
  • 2 teaspoons lemon zest (4 g)
  • 2 tablespoons fresh lemon juice (30 ml)
  • 3 cloves garlic, finely minced (9 g)
  • 1 teaspoon kosher salt (6 g), or to taste
  • 1/2 teaspoon black pepper (1 g)

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Step-by-Step Instructions

1. Heat the Oven and Prep the Baking Dish

Heat the oven to 375°F (190°C). Lightly coat a 9 inch baking dish (23 cm) with a little oil or cooking spray if needed. The casserole should fit snugly, with enough room for the sauce to bubble without spilling over.

2. Soften the Broccoli

If using fresh broccoli, steam it for 3 to 4 minutes, just until it turns bright green and slightly tender. If using frozen broccoli, thaw it and pat it dry. This keeps the casserole creamy instead of watery.

3. Make the Creamy Lemon Sauce

In a large bowl, whisk the Greek yogurt, vegetable broth, 1/2 cup parmesan (50 g), lemon zest, lemon juice, garlic, salt, and black pepper. The sauce should look smooth, pale, and glossy. It will smell fresh from the lemon and sharp from the garlic.

4. Fold in the Beans, Rice, and Broccoli

Add the white beans, cooked brown rice, and broccoli to the bowl. Stir gently so the beans stay mostly whole. The rice should be coated in the creamy sauce, and small flecks of lemon zest should be spread through the mixture.

5. Fill the Baking Dish

Spoon the mixture into the prepared baking dish and spread it into an even layer. Press it down lightly so the sauce settles between the rice, beans, and broccoli.

6. Add Parmesan and Bake

Sprinkle the remaining 1/2 cup parmesan (50 g) over the top. Bake for 25 to 30 minutes, until the edges bubble and the top turns lightly golden. Your kitchen should smell like roasted garlic, lemon, and toasted cheese.

7. Rest Before Serving

Let the casserole rest for 5 to 10 minutes before scooping. The sauce thickens as it sits, and each serving will hold together better.

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Expert Troubleshooting and FAQs

Can I use canned white beans?

Yes. Canned white beans are perfect here. Drain and rinse them well so the casserole tastes clean and creamy, not salty or starchy from the can liquid.

Why did my casserole turn watery?

The broccoli likely carried extra moisture. Thaw frozen broccoli fully and pat it dry. If using fresh broccoli, steam it lightly, then let it sit for a minute so excess steam escapes before mixing.

Can I use regular yogurt instead of Greek yogurt?

You can, but Greek yogurt works better because it is thicker. If using regular yogurt, reduce the broth by 1/4 cup (60 ml) so the sauce does not get too loose.

Can I make this casserole ahead of time?

Yes. Assemble it up to 24 hours ahead, cover it, and refrigerate it. Bake it straight from the fridge, adding 5 to 10 extra minutes until the center is hot and the edges bubble.

What can I use instead of brown rice?

Cooked quinoa, farro, or white rice all work. Keep the same amount, 3 cups cooked (about 585 g), so the sauce stays balanced.

Estimated Nutritional Facts

Per serving:

  • Calories: about 430
  • Protein: about 25 g
  • Carbs: about 58 g
  • Fats: about 12 g

Creamy Lemon Broccoli and White Bean Casserole

Creamy Lemon Broccoli and White Bean Casserole

Prep10 minCook30 minTotal40 minYield4

Ingredients

  • 3 cups cooked brown rice (585 g)
  • 2 cans white beans, drained and rinsed (15 ounces each, 425 g each)
  • 4 cups broccoli florets, fresh or frozen (360 g)
  • 1 cup plain Greek yogurt (245 g)
  • 1 cup low-sodium vegetable broth (240 ml)
  • 1 cup grated parmesan cheese, divided (100 g)
  • 2 teaspoons lemon zest (4 g)
  • 2 tablespoons fresh lemon juice (30 ml)
  • 3 cloves garlic, finely minced (9 g)
  • 1 teaspoon kosher salt (6 g), or to taste
  • 1/2 teaspoon black pepper (1 g)

Instructions

  • 1. Heat the Oven and Prep the Baking Dish. Heat the oven to 375°F (190°C). Lightly coat a 9 inch baking dish (23 cm) with a little oil or cooking spray if needed. The casserole should fit snugly, with enough room for the sauce to bubble without spilling over.
  • 2. Soften the Broccoli. If using fresh broccoli, steam it for 3 to 4 minutes, just until it turns bright green and slightly tender. If using frozen broccoli, thaw it and pat it dry. This keeps the casserole creamy instead of watery.
  • 3. Make the Creamy Lemon Sauce. In a large bowl, whisk the Greek yogurt, vegetable broth, 1/2 cup parmesan (50 g), lemon zest, lemon juice, garlic, salt, and black pepper. The sauce should look smooth, pale, and glossy. It will smell fresh from the lemon and sharp from the garlic.
  • 4. Fold in the Beans, Rice, and Broccoli. Add the white beans, cooked brown rice, and broccoli to the bowl. Stir gently so the beans stay mostly whole. The rice should be coated in the creamy sauce, and small flecks of lemon zest should be spread through the mixture.
  • 5. Fill the Baking Dish. Spoon the mixture into the prepared baking dish and spread it into an even layer. Press it down lightly so the sauce settles between the rice, beans, and broccoli.
  • 6. Add Parmesan and Bake. Sprinkle the remaining 1/2 cup parmesan (50 g) over the top. Bake for 25 to 30 minutes, until the edges bubble and the top turns lightly golden. Your kitchen should smell like roasted garlic, lemon, and toasted cheese.
  • 7. Rest Before Serving. Let the casserole rest for 5 to 10 minutes before scooping. The sauce thickens as it sits, and each serving will hold together better.
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Fabian

Hi, I'm Fabian! I'm a dad, husband, and everyday home cook based in Hungary. I'm passionate about the Mediterranean diet and specialize in creating healthy, budget-friendly recipes using simple supermarket ingredients. Whether we are making a quick weekday mezze or a hearty, wholesome pasta dish, my goal is to help you eat well and cook delicious, from-scratch food without breaking the bank.

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