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Casserole of beans and onion with green olive serve in a baking dish
Olivia

Baked Beans and Onions Casserole

5 from 1 vote
Hearty baked beans with onions, green olives, and rosemary. A simple, plant-forward casserole that is filling, affordable, and easy to make.
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Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings: 4
Course: Main Course, Side Dish, Snack
Cuisine: American
Calories: 230
Ingredients Equipment Cooking Instructions Nutrition Video Notes

Ingredients
  

  • 2 cups cooked beans white beans or navy beans
  • 1 large onion sliced
  • 1/2 cup green olives
  • 2 cloves garlic minced
  • 1 cup crushed tomatoes
  • 2 tablespoons olive oil
  • 1 teaspoon dried rosemary or 1 tablespoon fresh
  • Salt to taste
  • Black pepper to taste
  • 2 tablespoons fresh parsley chopped

Equipment

Casserole Dish,
Casserole Dish,
$35.99 $25.18
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07/06/2026 11:01 pm GMT
Oven Baking pans

Cooking Instructions
 

  1. Preheat oven to 375°F (190°C).
  2. Heat olive oil in a pan over medium heat.
  3. Add sliced onions and cook until soft.
  4. Add garlic and cook for 1 minute.
  5. Stir in crushed tomatoes and rosemary.
  6. Add cooked beans and mix well.
  7. Season with salt and black pepper.
  8. Transfer mixture to a baking dish.
  9. Top with green olives evenly.
  10. Bake for 35-40 minutes until bubbling and slightly browned.

Nutrition

Calories: 230kcalCarbohydrates: 29gProtein: 9gFat: 10gSaturated Fat: 1gPolyunsaturated Fat: 1gMonounsaturated Fat: 7gSodium: 348mgPotassium: 525mgFiber: 10gSugar: 6gVitamin A: 391IUVitamin C: 12mgCalcium: 71mgIron: 3mg

Notes

• Use canned beans for convenience, drained and rinsed
• Add a splash of vegetable broth if mixture feels dry
• Fresh rosemary gives a stronger, more aromatic flavor

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