Cheesy spinach casserole recipe

INGREDIENTS

  • 2 tablespoons butter
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 2 (10-ounce) packages frozen chopped spinach, thawed and squeezed dry
  • 1 cup sour cream
  • 1/2 cup mayonnaise
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon nutmeg (optional)
  • 1 ½ cups shredded cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1/2 cup crushed Ritz crackers or breadcrumbs (optional topping)

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×9-inch (or similar) baking dish.
  2. Sauté aromatics: In a skillet over medium heat, melt the butter. Add the chopped onion and cook until soft (about 3–4 minutes). Stir in the garlic and cook for 1 more minute.
  3. Mix the base: In a large bowl, combine the sautéed onion mixture with spinach, sour cream, mayonnaise, salt, pepper, and nutmeg. Stir in the cheddar and Parmesan cheese until well mixed.
  4. Assemble: Spread the mixture evenly into the prepared baking dish. If desired, sprinkle crushed crackers or breadcrumbs on top for extra crunch.
  5. Bake: Place in the preheated oven and bake for 25–30 minutes, or until hot and bubbly and the top is lightly golden.
  6. Serve warm as a comforting side dish or a light vegetarian main course.

Let me know if you want a low-carb or dairy-free version!

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