Onion Boil with Creamed Spinach

Name: Onion Boil with Creamed Spinach
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 4 large sweet onions, peeled and quartered; 1 tablespoon olive oil; 2 cups fresh spinach, washed and chopped; 1 cup heavy cream; 2 tablespoons butter; 2 cloves garlic, minced; Salt and pepper to taste; Grated Parmesan cheese for serving

Highlighted under: Healthy Start

I absolutely adore the combination of sweet onions and creamy spinach that comes together in this Onion Boil with Creamed Spinach recipe. Every bite is a delightful explosion of flavor that excites my taste buds. The simplicity of the method paired with the richness of the sauce makes it a perfect side that elevates any meal. Whether it’s a family dinner or a small gathering, this dish never fails to impress. Follow along, and I’ll show you how easy it is to create this savory delight.

Created by

The Chefadriancooks Team

Last updated on 2026-02-14T16:30:19.015Z

When I first made Onion Boil with Creamed Spinach, I was amazed at how the flavors meld beautifully. The sweet caramelization of the onions complements the creaminess of the spinach, creating a dish that truly feels gourmet. One tip that I learned is to ensure the onions are cooked until they reach a deep golden-brown color; this adds a great depth of flavor.

Additionally, I recommend using fresh spinach whenever possible. It imparts a vibrancy that frozen spinach simply can’t replicate. The result is a dish that is not only delicious but also visually appealing, making it a perfect addition to any dinner table.

Why You Will Love This Recipe

Sweet caramelized onions enhancing the creamy texture of the dish
A perfect balance of flavors that complements any main course
Simple ingredients that come together for a gourmet experience

Understanding the Ingredients

The choice of sweet onions in this dish is crucial for achieving the right flavor profile. They caramelize beautifully, enhancing the sweetness that pairs so well with the creamy spinach. Aim for Vidalia or Walla Walla onions, as their natural sugars will give you that delectable, rich taste. When quartering the onions, keep the pieces somewhat thick, around 1-inch, so they maintain some texture after cooking.

Fresh spinach is packed with nutrients and adds a vibrant green color to the dish. If you don’t have fresh spinach, you can use frozen, but make sure to thaw and thoroughly drain it to avoid excess moisture. The richness of the heavy cream is essential here; it creates a luscious sauce that clings to the onions and spinach. For a lighter alternative, you could substitute with half-and-half, but the sauce will be less creamy.

Perfecting Your Technique

Sautéing the onions is where the magic begins. Keep the heat at medium to ensure the onions cook evenly without burning; you want them to become tender and develop a gorgeous golden color. Stir occasionally, and if they start to stick, you can deglaze the pan with a splash of water or broth, scraping up any brown bits for added flavor.

When cooking the spinach, don't rush the wilting process. Overcooked spinach can turn mushy and lose its vibrant color. Cook it until just wilted, which should take about 3 minutes, ensuring it remains bright green and retains some texture. This attention to detail will enhance the final presentation and overall flavor of the dish.

Ingredients

Gather the following ingredients for your Onion Boil with Creamed Spinach:

Ingredients

4 large sweet onions, peeled and quartered
1 tablespoon olive oil
2 cups fresh spinach, washed and chopped
1 cup heavy cream
2 tablespoons butter
2 cloves garlic, minced
Salt and pepper to taste
Grated Parmesan cheese for serving

Make sure to have everything prepped before you start cooking for seamless preparation.

Instructions

Follow these steps to create your Onion Boil with Creamed Spinach:

Prepare the Onions

Heat olive oil in a large skillet over medium heat. Add the quartered onions and sauté for about 15 minutes until they are golden brown and soft, stirring occasionally.

Cook the Spinach

In another pan, melt butter over medium heat and add minced garlic. Sauté for about 1 minute until fragrant, then stir in the chopped spinach. Cook until wilted, about 3 minutes.

Combine and Finish

Pour the heavy cream into the skillet with the spinach and stir to combine. Add in the caramelized onions, and season with salt and pepper. Let it simmer for 5 minutes until slightly thickened.

Serve

Transfer to a serving dish and top with grated Parmesan cheese before serving warm.

Enjoy this dish as a delightful and rich side to your favorite main course!

Pro Tips

For added flavor, consider adding a pinch of nutmeg to the cream sauce. This complements the spinach beautifully. If you're looking to save time, you can prepare the onions ahead of time and reheat before serving.

Storage and Make-Ahead Tips

This Onion Boil with Creamed Spinach can be prepared in advance, making it a fantastic option for meal prep or special occasions. Once cooked, let it cool completely, then transfer it to an airtight container. It will keep in the refrigerator for up to 3 days. When you're ready to serve, reheat gently on the stovetop over low heat, adding a splash of cream if it appears too thick.

If you're looking to freeze the dish, I recommend doing so before adding the Parmesan. Store the cooled creamed spinach and onions in a freezer-safe container for up to 2 months. To reheat, thaw overnight in the refrigerator and heat gently on the stove, stirring frequently to bring back the creamy consistency.

Serving Suggestions

This dish pairs beautifully with a variety of main courses, from grilled meats to roasted vegetables. I especially enjoy serving it alongside herb-roasted chicken or grilled salmon, as the creamy texture complements the proteins wonderfully. For an added crunch, consider topping it with crispy fried onions or a sprinkle of toasted pine nuts for a delightful contrast.

For those looking to make it heartier, you can transform this recipe into a main dish by adding proteins like cooked chicken, shrimp, or even chickpeas. Simply mix them in just before serving, allowing the flavors to meld together. Feel free to experiment with additional spices or herbs, such as nutmeg or fresh dill, to customize the flavor profile to your liking.

Questions About Recipes

→ Can I use frozen spinach instead of fresh?

Yes, you can, but be sure to thaw and drain the spinach well to prevent excess liquid in the dish.

→ How can I make this dish lighter?

You can substitute heavy cream with half-and-half or a non-dairy cream alternative to reduce calorie content.

→ What main dishes pair well with this side?

Grilled chicken, fish, or roasted pork are excellent choices that complement the flavors of the creamed spinach.

→ Can I prepare this dish in advance?

Yes, you can prepare the spinach and onions ahead of time, just reheat them gently before serving.