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Dinner · Part 2 of 3: Instructions

Creamy Sausage and Yellow Squash Casserole with Buttery Crackers Step-by-step instructions

A top-down view of a creamy sausage and yellow squash casserole in a white baking dish, topped with golden crumbs.
Prep
Cook
Total
Serves
6
Includes 5 min resting

Before you start

Before beginning, ensure all ingredients are ready and at room temperature to facilitate even cooking. Preheat the oven to 375°F (190°C) early so it is fully stabilized when the dish is ready to bake.

Wash the yellow squash thoroughly and slice it into uniform coins, about a quarter-inch thick, to ensure they cook at the same rate. Prepare the buttery cracker crumbs by crushing them in a sealed bag or using a food processor, keeping them uniform for a consistent golden-brown topping throughout the entire casserole.

Ingredients at a glance (4)
  • 1 lb raw breakfast sausage
  • 4 cups yellow squash, sliced into coins
  • 1 1/2 cups sour cream cheddar sauce
  • 1 cup buttery cracker crumbs

Instructions

Assembling the Base

  1. Prepare the Base
    Preheat the oven to 375°F (190°C). In a large ceramic baking dish, evenly distribute the sliced yellow squash and the crumbles of raw breakfast sausage. Ensure the ingredients are spread across the bottom of the dish to allow for even cooking.
    Look for The squash and sausage should be spread evenly to cover the bottom of the dish.
    Tip Slice the squash into uniform coins so they cook through at the same rate.

The baking dish should be filled with an even layer of yellow squash coins and sausage crumbles. Ensure the sausage is distributed throughout the dish, not clumped together, so every serving contains a good ratio of meat to squash.

The bottom of the dish should be well-covered, providing a stable foundation for the sauce and topping that will follow.

Adding Sauce and Topping

  1. Add Sauce and Topping
    Spoon the creamy cheddar sauce over the mixture of squash and sausage, spreading it as needed to cover the ingredients. Shower the top of the dish with the crushed buttery cracker crumbs to create an even, textured layer.
    Look for The sauce should cover the ingredients, and the cracker crumbs should form an even layer on top.
    Tip Use a spatula to gently distribute the sauce if it does not spread easily.

The creamy cheddar sauce should be spread evenly over the squash and sausage mixture, ensuring it reaches the edges. Once the sauce is applied, cover the surface with a consistent layer of crushed buttery crackers. The crackers should cover the sauce completely, creating a uniform surface that will toast evenly during the baking phase.

Baking to Perfection

  1. Bake the Casserole
    Place the baking dish in the preheated oven and bake until the edges are bubbling and the top is golden brown. Ensure the internal temperature of the ground sausage reaches 160°F (71°C). Remove from the oven and let it rest for 5 minutes before serving.
    Look for The edges should be bubbling and the topping should be golden brown.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Check the center of the dish to ensure the sausage is fully cooked.

The casserole is ready when the sauce is bubbling at the edges of the dish and the cracker topping has turned a rich golden brown. The squash should be tender when pierced with a fork, and the sausage must be fully cooked. If the top browns too quickly, cover it loosely with foil for the final few minutes of baking.

Common mistakes

A common mistake is slicing the squash too thickly, which prevents it from cooking through and leaves the texture unpleasantly firm. Conversely, slicing them too thin can cause them to disintegrate into the sauce.

Ensure the sausage crumbles are small and uniform; large chunks take longer to cook and may result in uneven texture. Avoid piling the cracker crumbs too high in the center, as this can lead to burning before the edges are fully cooked; spread them in a thin, even layer.

How to tell it’s done

The casserole is done when the edges are bubbling vigorously and the cheese sauce has thickened slightly. The buttery cracker topping must be a deep, golden brown, indicating it has toasted correctly.

Use a meat thermometer to check the center of the dish; the ground sausage must reach an internal temperature of 160°F (71°C) for safety. Let the dish rest for 5 minutes after removing it from the oven, allowing the sauce to settle and the flavors to meld before serving.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this casserole be made ahead of time?
  • Why is the squash watery after baking?
  • Can other types of crackers be used for the topping?

Also in Part 3: variations (Spicy Sausage Casserole, Vegetable Medley), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)