Tuna Spaghetti Casserole
A hearty tuna spaghetti casserole with green peppers, a cheesy breadcrumb topping, and savory flavors, perfect for a comforting family dinner or casual gathering.
Ingredients
- 12 oz. spaghetti ⓘ
- 2 (6.5 oz.) cans tuna ⓘ
- 2 Tbsp. butter ⓘ
- 1/2 clove garlic ⓘ
- 3 Tbsp. chopped green peppers ⓘ
- 2 tsp. salt ⓘ
- 1 tsp. paprika ⓘ
- 1 tsp. Worcestershire sauce ⓘ
- 1 tsp. mustard ⓘ
- 1 can celery soup ⓘ
- 1 1/2 c. milk ⓘ
- 1 Tbsp. lemon juice ⓘ
- 4 stuffed olives ⓘ
- 2 Tbsp. butter, melted ⓘ
- 1/2 c. bread crumbs ⓘ
- 1 Tbsp. grated cheese ⓘ
- 2 Tbsp. flour ⓘ
Instructions
- Cook spaghetti according to package directions and set aside.
- Heat butter, garlic, and green pepper in a skillet and cook for 5 minutes.
- Incorporate the flour, salt, and paprika into the skillet and cook briefly.
- Remove from heat and gradually blend in Worcestershire sauce, mustard, celery soup, and milk, cooking until the sauce is smooth and thickened.
- Remove from heat and stir in lemon juice, stuffed olives, tuna, and cooked spaghetti.
- Transfer the mixture into a casserole dish.
- Sprinkle the top with melted butter, bread crumbs, and grated cheese.
- Bake in a preheated oven at 350°F for 25 minutes.
- Garnish with boiled eggs and paprika before serving.
Nutrition & Diet Analysis (per serving)
938
kcal
47% DV
Protein
Fat
Carbs
Diet fit
High-protein
High-fiber
Contains
Milk
Wheat/Gluten
Fish
Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.
* % Daily Values based on a 2,000 calorie diet (FDA 2020).
Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).