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Ruth’s Chris Cheesy Spinach Casserole With Monterey Jack

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This Ruth’s Chris-style Cheesy Spinach Casserole is a rich and creamy steakhouse favorite made with tender spinach, melted Monterey Jack and Parmesan cheeses, and a smooth cream sauce. Perfect for holidays or elegant weeknight dinners.

  • Total Time: 35 minutes
  • Yield: 6 servings

Ingredients

  • 2 (10 oz) packages frozen chopped spinach, thawed and well-drained
  • 3 tablespoons butter
  • 3 cloves garlic, minced
  • 2 tablespoons all-purpose flour
  • 1 cup heavy cream
  • 1/2 cup whole milk
  • 1 cup shredded Monterey Jack cheese
  • 1/2 cup grated Parmesan cheese
  • Salt, to taste
  • Black pepper, to taste
  • Pinch of nutmeg (optional)

Instructions

  1. Preheat oven to 375°F (190°C) and lightly grease a baking dish.
  2. Ensure spinach is thoroughly drained by squeezing out excess moisture.
  3. In a skillet over medium heat, melt butter. Add minced garlic and cook until fragrant, about 30 seconds.
  4. Stir in flour and cook for 1 minute to form a smooth roux.
  5. Gradually whisk in heavy cream and milk, stirring constantly until sauce thickens.
  6. Reduce heat and stir in Monterey Jack and Parmesan cheeses until fully melted and smooth.
  7. Season with salt, black pepper, and nutmeg if using.
  8. Fold drained spinach into the cheese sauce until evenly combined.
  9. Transfer to prepared baking dish and smooth the top.
  10. Bake uncovered for 20–25 minutes, until bubbling and lightly golden on top.
  11. Let rest for a few minutes before serving.

Notes

  • Use cooked, well-drained fresh spinach as a substitute for frozen.
  • Prepare a day ahead and refrigerate before baking.
  • Swap Monterey Jack with mozzarella or mild white cheddar if needed.
  • Reheat gently to maintain creaminess.
  • Not freezer-friendly due to potential sauce separation.
  • Author: Amelia
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 portion
  • Calories: 290
  • Sugar: 2g
  • Sodium: 420mg
  • Fat: 24g
  • Saturated Fat: 14g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 7g
  • Fiber: 2g
  • Protein: 10g
  • Cholesterol: 65mg