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Sautéed Spinach, Mushrooms, and Caramelized Onion


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  • Author: Isabella
  • Total Time: 40 minutes
  • Yield: 4 servings

Description

Sautéed Spinach, Mushrooms, and Caramelized Onions is a savory, creamy side dish made with earthy mushrooms, tender spinach, and sweet caramelized onions in a light Parmesan cream sauce. Perfect for pairing with grilled meats, pasta, or as a standalone vegetarian delight.

 


Ingredients

  • 2 tbsp olive oil (divided)
  • 2 yellow onions, thinly sliced
  • 1 tbsp balsamic vinegar
  • 2 cups mushrooms, sliced (button or choice variety)
  • 4 cups fresh spinach
  • ½ cup half-and-half
  • ⅓ cup shredded Parmesan cheese
  • ½ tsp salt (or to taste)

Instructions

  • aramelize the Onions:
    • Heat 1 tbsp olive oil in a skillet over medium-high heat.
    • Add onions and cook, stirring often, until browned. Reduce heat to medium, add a pinch of salt, and continue until deeply caramelized.
    • Deglaze with balsamic vinegar, scraping up browned bits. Remove from skillet and set aside.
  • Sauté the Mushrooms:
    • In the same skillet, heat the remaining olive oil over medium heat.
    • Add mushrooms, sprinkle with a pinch of salt, and cook until tender and moisture evaporates.
  • Wilt the Spinach:
    • Add spinach to the skillet with the mushrooms, stirring until just wilted.
  • Prepare the Cream Sauce:
    • Add half-and-half to the skillet and bring to a gentle boil. Reduce to a simmer, stir in Parmesan cheese, and cook until the sauce thickens slightly.
  • Combine and Serve:
    • Return caramelized onions to the skillet, stirring to combine. Adjust sauce consistency if needed. Serve warm.

Notes

  • Substitutions: Use coconut milk and dairy-free Parmesan for a vegan option.
  • Storage: Refrigerate leftovers in an airtight container for up to 3 days.
  • Reheating Tip: Reheat gently over low heat, adding a splash of half-and-half to maintain creaminess.
  • Prep Time: 10 minutes
  • Cook Time: : 30 minutes
  • Category: Side Dish
  • Method: Sautéing
  • Cuisine: American