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Golden-brown, crackling-crusted casserole dish with tender caramelized sausage links, crispy-edged potato slices, and melted cheese bubbling on top, garnished with fresh parsley, served in a rustic ceramic bowl with steam rises, set on a light oak wooden table with soft daylight and shallow depth of field focusing on the crispy top.

Hearty Slow Cooker Sausage Potato Casserole

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Hearty, cheesy, and effortless, this slow cooker sausage potato casserole is a weeknight dinner hero—layers of spicy sausage, tender potatoes, and melty cheese make it a family favorite.

  • Total Time: 3 hours 50 minutes
  • Yield: 6 servings

Ingredients

Scale
  • 1 lb Italian sausage (sweet or hot), casing removed
  • 1 large yellow onion, diced
  • 3 cloves garlic, minced
  • 2 lbs Yukon Gold potatoes, thinly sliced
  • 1½ cups shredded sharp cheddar cheese
  • ½ cup heavy cream
  • 1 tsp dried thyme
  • 1 tsp salt
  • ½ tsp black pepper
  • 1 tbsp olive oil (for browning)
  • Fresh parsley, chopped (for garnish)

Instructions

  1. Heat olive oil in a skillet over medium-high heat. Brown sausage and onion until sausage is cooked through; add garlic in last minute and stir in. Drain excess fat.
  2. Grease the inside of a 6-qt slow cooker. Layer half the potatoes, then half the sausage mixture, then half the cheese. Repeat layers.
  3. In a small bowl, whisk heavy cream with thyme, salt, and pepper. Pour evenly over the casserole.
  4. Cover and cook on LOW for 3.5 to 4 hours, or until potatoes are fork-tender.
  5. Set slow cooker to HIGH (uncovered) or broil in oven for 3–5 minutes to crisp the top. Garnish with parsley before serving.

Notes

  • For extra crispiness, broil 2–3 minutes at the end (watch closely to avoid burning).
  • Can be made ahead: assemble up to step 3, refrigerate overnight, then add 30 minutes to cook time.
  • Vegetarian option: swap sausage for plant-based sausage and add ½ cup diced mushrooms.
  • Prep Time: 20 minutes
  • Cook Time: 3 hours 30 minutes
  • Method: Slow Cooker
  • Cuisine: American
  • Diet: Classic

Nutrition

  • Serving Size: 1 cup
  • Calories: 420 Kcal
  • Sugar: 3g
  • Sodium: 780mg
  • Fat: 28g
  • Saturated Fat: 13g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 24g
  • Fiber: 3g
  • Protein: 18g
  • Cholesterol: 70mg
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