Slow cooker tuna mornay from scratch

Slow cooker tuna mornay from scratch


October 9, 2014

  • Prep: 20 mins
  • Cook: 2 hrs
  • Yields: 4


2 tbsp plain flour

2 tbsp butter

1 x finely diced onion

1 med can corn kernels

1 large can tuna in brine

1.5 cups milk

1 cup grated cheese

Salt and pepper

1/2 cup breadcrumbs or crushed cornflakes


1Strain tuna brine into a jug

2Place strained corn kernels, finely diced onion and strained tuna in a mixing bowl flaking tuna with a fork and season with salt and pepper well.

3Stir to combined.

4On a stove top in saucepan over med heat melt butter combine flour till resembles wet sand and comes together. Add half the brine (discard the rest) stir till thickened.

5Gradually add milk stirring till smooth before adding more milk. Repeat till all milk combined. Keep stirring and add in half cup cheese, stir till melted. Add tuna, corn and onion mix into sc.

6Pour cheese sauce over and stir till combined.

7Top with either cornflakes or bread crumbs and grated cheese.

8Low 2 -2.5 hrs with tea towel under lid

Submitted by Cheryl Barrett


5 Reviews

Wayne Hamilton

April 25, 2019

In this recipe, I substitute the corn with peas


November 13, 2018

Making this tonight

There is none? You could serve it on cooked pasta 🙂

Julie Lynch

June 25, 2018

When do you add the pasta .? 😎

Tahlia Spence

May 17, 2016

Only thing I changed was double the sauce mixture and added cooked pasta but the sauce was amazing it goes very well with the tuna

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