Step 1

Preheat the oven to 375 Fahrenheit.

Step 2

In a large pot or dutch oven, add the olive oil and diced onion.

Step 3

Saute for 5-7 minutes.

Step 4

Add in the carrots, garlic and mushrooms. Saute an additional 5-7 minutes.

Step 5

Whisk in the flour, then add in the broth, milk, salt, pepper, thyme, peas, dijon mustard and stir.

Step 6

Stir in the cheddar cheese until melted, then fold in the noodles and drained tuna. Stir to combine.

Step 7

Transfer to a 9x13 or similar sized baking dish.

Step 8

Whisk together the parmesan and breadcrumbs and sprinkle on top.

Step 9

Cover and bake for 25 minutes, then uncover and bake for an additional 5-10 minutes to let the top brown (or simply broil for 1-2 minutes, keeping a close eye so it doesn’t burn).

Step 10

Serve warm and enjoy!