Fisherman’s Casserole

Introduction

This one-pan casserole combines flaked salmon, creamy pasta, and a buttery bread-crumb topping into a satisfying weeknight dinner that feeds eight. The canned salmon keeps prep minimal while the cream of celery soup and sharp cheddar build richness without fussy sauces, and everything comes together in under an hour from start to table.

Recipe Details

• Prep Time: 15 minutes
• Cook Time: 45 minutes
• Total Time: 60 minutes
• Servings: 8

Ingredients

• 1 package (8 ounces) macaroni
• ½ pound grated cheddar cheese
• ⅔ cup milk
• ½ teaspoon dry mustard
• ½ cup chopped onion
• 1 can (10¾ ounces) cream of celery soup
• 1 teaspoon salt
• 1 can (14¾ ounces) salmon
• 1 bag (8 ounces) frozen peas
• 1 cup bread crumbs
• 2 tablespoons butter, melted

Instructions

1. Preheat oven to 350°F (175°C).
2. Cook macaroni according to package directions; drain.
3. In a large bowl, combine cheese, macaroni, milk, dry mustard, onion, soup, and salt.
4. Add salmon and frozen peas.
5. Place in a greased 9 x 13-inch pan.
6. Cover mixture with bread crumbs; drizzle with melted butter.
7. Bake for 45 minutes.

Variations

Vegetable swap: Replace the frozen peas with frozen broccoli or fresh diced bell peppers for a different texture and mild flavor shift—the baking time stays the same.

Cheese variation: Swap half the cheddar for gruyère or smoked gouda to deepen the savory notes without changing the cooking method.

Herb topping: Mix 1 teaspoon of dried dill or Italian seasoning into the bread crumbs before drizzling with butter to add an herb note that complements the salmon.

Breadcrumb upgrade: Use panko instead of fine bread crumbs for a crispier, more pronounced topping layer.

Protein option: Substitute drained canned tuna for the salmon if you prefer a milder fish flavor, using the same quantity.

Tips for Success

Don’t skip draining the macaroni well. Excess starch water will make the filling too loose; shake the colander thoroughly after cooking.

Stir the filling thoroughly before transferring to the pan. This ensures the soup base, cheese, and seasonings are evenly distributed so every spoonful tastes consistent.

Press the bread crumbs down lightly when you apply them. A light hand keeps them from becoming a dense, heavy crust; they should stay loose enough to toast golden rather than compact.

Check for doneness by inserting a fork into the center. The filling should bubble gently at the edges and feel hot throughout; if the top is browning too fast, tent with foil for the last 10–15 minutes.

Measure the onion finely so it softens completely during baking. Larger chunks may stay slightly firm in the 45-minute window.

Storage and Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. The casserole does not freeze well—the texture of the macaroni and salmon breaks down significantly after thawing.

Reheat in a 325°F oven, covered, for 20–25 minutes until warmed through. Alternatively, reheat individual portions in a microwave at 50% power for 2–3 minutes, stirring halfway, to avoid overheating the edges.

FAQ

Can I assemble this the night before and bake it the next day?

Yes. Prepare through step 5, cover tightly with plastic wrap, and refrigerate. Add 5–10 minutes to the baking time since the casserole will go into the oven cold.

Why does my casserole come out watery?

The salmon, peas, and milk all release moisture during baking. Make sure you drain the canned salmon well and squeeze it gently with a fork to remove excess liquid before adding it to the bowl.

Can I use fresh salmon instead of canned?

You can, but baked fresh salmon will overcook during the 45-minute bake time. Poach or pan-sear fresh salmon until just cooked, let it cool, flake it, and fold it in gently during step 3 to preserve texture.

Is there a substitute for cream of celery soup?

Cream of mushroom or cream of chicken soup works well and maintains the creamy base; use the same quantity and adjust salt to taste since some condensed soups vary in saltiness.