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Overhead view of a dis of tuna pasta casserole with a spoon

Tuna Pasta Casserole from Scratch

The old-fashioned tuna noodle casserole takes on an update as Tuna Pasta Casserole from Scratch, using shaped pasta instead of noodles. A homemade condensed cream of mushroom soup replaces the standard canned soup.
5 from 10 votes
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Prep Time: 30 minutes
Cook Time: 20 minutes
Total Time: 50 minutes
Servings: 6 Servings
Calories: 322kcal
Author: Pat Nyswonger

Ingredients

  • 8 ounces dry pasta any shape, cooked and drained
  • 2 tablespoons olive oil
  • 1 medium onion finely chopped
  • 2 8-inch stalks celery, diced
  • 1/2 red bell pepper diced
  • 2 5-oz cans tuna
  • 10.25 oz. homemade Condensed Cream of Mushroom soup
  • 1/2 cup whole milk
  • 1 cup frozen peas not thawed
  • 1 cup Panko bread crumbs
  • 1/2 cup grated Parmesan cheese
  • 2 tablespoons butter melted
  • 3 tablespoons chopped parsley for garnish

Instructions

  • Preheat the oven to 400°F and coat a 2.5 quart casserole dish with oil spray.
  • In a large skillet set over medium heat, add the olive oil and when it is hot add the onion, celery and red bell pepper. Sauté until the onion is soft, 3-5 minutes.  
  • Add the tuna, the mushroom soup, milk and the cooked pasta to the skillet, stirring to combine well.  
  • Stir in the frozen peas.  
  • Spoon the mixture into the prepared baking dish and transfer to the oven. 
  • Bake for 15 minutes.  

Meanwhile….

  • Mix the bread crumbs, cheese and melted butter in a small dish and when the casserole has baked for the 15 minutes, give it a stir and distribute the bread crumb mixture over the top. 
  • Continue baking for another 10 minutes until bubbly around the edges and topping is golden brown.
  • Serve immediately garnished with chopped parsley. 

Notes

Although egg noodles are traditionally used for this casserole, any pasta will work.
The homemade Condensed Cream of Mushroom soup is equal to one can of the store-bought variety, the bonus is that it is free of preservatives or additives. 
Add the peas frozen, they will thaw as they cook and not be over-done when the casserole is finished.
For variety, grate 1 cup of cheddar cheese to the mixture before stirring in the peas.

Nutrition

Serving: 1 | Calories: 322kcal | Carbohydrates: 32g | Protein: 14g | Fat: 16g | Saturated Fat: 6g | Polyunsaturated Fat: 9g | Cholesterol: 28mg | Sodium: 838mg | Fiber: 3g | Sugar: 5g