Go Back
Easy Tuna Green Bean Casserole
Prep Time
15 mins
Cook Time
30 mins
Total Time
45 mins
 

Are you tired of the same old weeknight meals? This easy tuna green bean casserole is a delicious and comforting twist on a classic.

Course: Dinner, Lunch, Main Dish
Cuisine: American
Keyword: creamy tuna casserole recipe, tuna green bean casserole, tuna recipes, weeknight dinner
Servings: 6
Author: Mary Balandiat
Ingredients
  • 1 large can tuna 12 oz., drained
  • 2 tablespoons olive oil
  • 3 tablespoons all-purpose flour
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon dried thyme
  • 1 1/2 cups milk
  • 1/2 cup celery finely diced
  • 1/2 cup sweet onion finely chopped
  • 12 oz. frozen green beans
Instructions
  1. Drain the tuna.
  2. In a skillet, heat the oil and saute the onions and celery until tender.
  3. Momentarily, take the skillet off of the heat and stir in the flour and seasonings to coat the vegetables in the pan.
  4. Slowly stir in the milk to the mixture and return to the heat until somewhat thickened.
  5. Add the flaked tuna and green beans and mix through.
  6. Turn into a well-greased skillet or a 1 ½-quart baking dish. Cover with foil or a lid.

  7. Bake in a preheated oven at 350-degrees for about 35 minutes or until the vegetables are tender.